Thrombocytopenia differential diagnosis: Difference between revisions

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__NOTOC__
__NOTOC__
{{Thrombocytopenia}}
[[Image:Home_logo1.png|right|250px|link=https://www.wikidoc.org/index.php/Thrombocytopenia]]
{{CMG}}; {{AE}} [https://www.wikidoc.org/index.php/User:Farbod_Zahedi_Tajrishi Farbod Zahedi Tajrishi, M.D.]
{{CMG}}; {{AE}} {{SSH}}, [https://www.wikidoc.org/index.php/User:Farbod_Zahedi_Tajrishi <nowiki>Farbod Zahedi Tajrishi, M.D. [2]</nowiki>]


==Overview==
==Overview==
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! style="background: #4479BA; color: #FFFFFF; text-align: center;" |WBC
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |WBC
|-
|-
! rowspan="16" style="background: #4479BA; color: #FFFFFF; text-align: center;" |Hematology
! rowspan="17" style="background: #4479BA; color: #FFFFFF; text-align: center;" |Hematology
! rowspan="4" align="center" style="background:#DCDCDC;" + |Bone marrow disorders
! rowspan="4" align="center" style="background:#DCDCDC;" + |Bone marrow disorders
! align="center" style="background:#DCDCDC;" + |[[Myelodysplastic syndrome|Myelodysplastic syndromes]]<ref name="NatelsonPyatt2013">{{cite journal|last1=Natelson|first1=Ethan A.|last2=Pyatt|first2=David|title=Acquired Myelodysplasia or Myelodysplastic Syndrome: Clearing the Fog|journal=Advances in Hematology|volume=2013|year=2013|pages=1–11|issn=1687-9104|doi=10.1155/2013/309637}}</ref>
! align="center" style="background:#DCDCDC;" + |[[Myelodysplastic syndrome|Myelodysplastic syndromes]]<ref name="NatelsonPyatt2013">{{cite journal|last1=Natelson|first1=Ethan A.|last2=Pyatt|first2=David|title=Acquired Myelodysplasia or Myelodysplastic Syndrome: Clearing the Fog|journal=Advances in Hematology|volume=2013|year=2013|pages=1–11|issn=1687-9104|doi=10.1155/2013/309637}}</ref>
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| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | -/+
| align="center" style="background:#F5F5F5;" + | ±
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Elderly
| align="center" style="background:#F5F5F5;" + |Elderly
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| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |[[Shortness of breath]], [[fatigue]]
| align="center" style="background:#F5F5F5;" + |
* [[Shortness of breath]]
* [[Fatigue]]
* [[Pallor]]
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
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* Might transformed to [[acute leukemia]]
* Might transformed to [[acute leukemia]]
|-
|-
! align="center" style="background:#DCDCDC;" + |[[Aplastic anemia]]
! align="center" style="background:#DCDCDC;" + |[[Aplastic anemia]]<ref name="TownsleyDesmond2013">{{cite journal|last1=Townsley|first1=Danielle M.|last2=Desmond|first2=Ronan|last3=Dunbar|first3=Cynthia E.|last4=Young|first4=Neal S.|title=Pathophysiology and management of thrombocytopenia in bone marrow failure: possible clinical applications of TPO receptor agonists in aplastic anemia and myelodysplastic syndromes|journal=International Journal of Hematology|volume=98|issue=1|year=2013|pages=48–55|issn=0925-5710|doi=10.1007/s12185-013-1352-6}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Unknown
* Unknown
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| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | -/+
| align="center" style="background:#F5F5F5;" + | ±
| align="center" style="background:#F5F5F5;" + | -/+
| align="center" style="background:#F5F5F5;" + | ±
| align="center" style="background:#F5F5F5;" + |Biphasic (the young and the elderly)
| align="center" style="background:#F5F5F5;" + |Biphasic (the young and the elderly)
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
Exposure to
* Exposure to chemicals
* [[Chemical substance|Chemicals]]
* [[Radiation therapy|Radiation]]
* [[Radiation therapy|Radiation]]
History of
* History of prior drug use
* Prior drug use
* [[Viral infections|Viral infection]]
* [[Viral infections|Viral infection]]
* Positive family history of aplastic anemia
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
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| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |[[Shortness of breath]], [[fatigue]], [[pallor]]
| align="center" style="background:#F5F5F5;" + |
* [[Shortness of breath]]
* [[Fatigue]]
* [[Pallor]]
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* large [[Red blood cell|RBC]]<nowiki/>s
* Large [[Red blood cell|RBCs]]
* low [[Platelet|platelets]] and [[Granulocyte|granulocytes]]
* Low [[Platelet|platelets]] and [[Granulocyte|granulocytes]]
 
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Hypocellular [[bone marrow]]
* Hypocellular [[bone marrow]]
* replacement of [[bone marrow]] by [[fat]]
* replacement of [[bone marrow]] by [[fat]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |[[Bone marrow examination]] +  
| align="center" style="background:#F5F5F5;" + |[[Bone marrow examination]] +  


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* [[Dyskeratosis congenita]]
* [[Dyskeratosis congenita]]
* [[Shwachman-Diamond syndrome|Schwachman-Diamond syndrome]]
* [[Shwachman-Diamond syndrome|Schwachman-Diamond syndrome]]
* Reticular dysgenesis
* [[Preleukemia]]
* Familial aplastic anemia
* [[Preleukemia]]  
* Nonhematologic syndrome
|-
|-
! align="center" style="background:#DCDCDC;" + |Acute leukemia
! align="center" style="background:#DCDCDC;" + |[[Acute leukemia]]<ref name="OshimaYuji2013">{{cite journal|last1=Oshima|first1=Yasuo|last2=Yuji|first2=Koichiro|last3=Tanimoto|first3=Tetsuya|last4=Hinomura|first4=Yasushi|last5=Tojo|first5=Arinobu|title=Association between Acute Myelogenous Leukemia and Thrombopoietin Receptor Agonists in Patients with Immune Thrombocytopenia|journal=Internal Medicine|volume=52|issue=19|year=2013|pages=2193–2201|issn=0918-2918|doi=10.2169/internalmedicine.52.0324}}</ref><ref name="pmid24088751">{{cite journal |vauthors=Oshima Y, Yuji K, Tanimoto T, Hinomura Y, Tojo A |title=Association between acute myelogenous leukemia and thrombopoietin receptor agonists in patients with immune thrombocytopenia |journal=Intern. Med. |volume=52 |issue=19 |pages=2193–201 |date=2013 |pmid=24088751 |doi= |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Immune mediated
* [[Chromosome|Chromosomal]] abnormalities
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | ±
| align="center" style="background:#F5F5F5;" + | ±
| align="center" style="background:#F5F5F5;" + |AML in adults
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Exposure to chemicals
* [[Radiation therapy|Radiation]]
* Pre-existent blood disorders
| align="center" style="background:#F5F5F5;" + | ±
| align="center" style="background:#F5F5F5;" + |[[Petechia|Petechiae]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + | ±
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Muscle weakness|Weakness]]
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Pancytopenia]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Blast cells
*
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Hemoglobinuria]]
| align="center" style="background:#F5F5F5;" + |Bone marrow examination
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Tumor lysis syndrome]]
| align="center" style="background:#F5F5F5;" + |
* [[Infection]]
| align="center" style="background:#F5F5F5;" + |
* [[CNS]] involvement
| align="center" style="background:#F5F5F5;" + |
* [[Disseminated intravascular coagulation|DIC]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
|-
|-
! align="center" style="background:#DCDCDC;" + |[[Paroxysmal nocturnal hemoglobinuria|Paroxysmal nocturnal hemoglobinuria (PNH)]]<ref name="pmid25237200">{{cite journal| author=Brodsky RA| title=Paroxysmal nocturnal hemoglobinuria. | journal=Blood | year= 2014 | volume= 124 | issue= 18 | pages= 2804-11 | pmid=25237200 | doi=10.1182/blood-2014-02-522128 | pmc=4215311 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25237200  }}</ref>
! align="center" style="background:#DCDCDC;" + |[[Paroxysmal nocturnal hemoglobinuria|Paroxysmal nocturnal hemoglobinuria (PNH)]]<ref name="pmid25237200">{{cite journal| author=Brodsky RA| title=Paroxysmal nocturnal hemoglobinuria. | journal=Blood | year= 2014 | volume= 124 | issue= 18 | pages= 2804-11 | pmid=25237200 | doi=10.1182/blood-2014-02-522128 | pmc=4215311 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25237200  }}</ref>
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* Mutations  
* Mutations  
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
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(usually younger adults)
(usually younger adults)
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Sudden [[nocturnal]] [[hemoglobinuria]] with partial clearing during the day
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Thrombosis]]
| align="center" style="background:#F5F5F5;" + |
* Smooth muscle [[dystonia]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[thrombosis]]
* smooth muscle [[dystonia]]
| align="center" style="background:#F5F5F5;" + |↓/Nl
| align="center" style="background:#F5F5F5;" + |↓/Nl
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓/Nl
| align="center" style="background:#F5F5F5;" + |↓/Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Pancytopenia]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Usually cellular [[Bone marrow|marrow]]
* Cellular [[Bone marrow|marrow]]
* [[Erythroid]] [[hyperplasia]]
* [[Erythroid]] [[hyperplasia]]
* [[dyserythropoiesis]]
* [[dyserythropoiesis]]


* The [[Bone marrow|marrow]] may also become hypocellular or even [[Aplastic anemia|aplastic]] in certain stages of the disease
* Hypocellular marrow in certain stages of the disease
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |[[hemoglobinuria]]
| align="center" style="background:#F5F5F5;" + |
* [[Hemoglobinuria]]
| align="center" style="background:#F5F5F5;" + |[[Flow cytometry]]
| align="center" style="background:#F5F5F5;" + |[[Flow cytometry]]


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|-
|-
! rowspan="3" align="center" style="background:#DCDCDC;" + |Thrombotic microangiopathy (TMA)
! rowspan="3" align="center" style="background:#DCDCDC;" + |Thrombotic microangiopathy (TMA)
! align="center" style="background:#DCDCDC;" + |[[Thrombotic thrombocytopenic purpura]] ([[Thrombotic thrombocytopenic purpura|TTP]])
! align="center" style="background:#DCDCDC;" + |[[Thrombotic thrombocytopenic purpura]] ([[Thrombotic thrombocytopenic purpura|TTP]])<ref name="pmid22986360">{{cite journal |vauthors=Noris M, Mescia F, Remuzzi G |title=STEC-HUS, atypical HUS and TTP are all diseases of complement activation |journal=Nat Rev Nephrol |volume=8 |issue=11 |pages=622–33 |date=November 2012 |pmid=22986360 |doi=10.1038/nrneph.2012.195 |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |Deficiency of, or antibodies to, the metalloprotease ADAMTS13  
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |  
* Deficiency of, or antibodies to, the metalloprotease [[ADAMTS13]]  
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -/+
| align="center" style="background:#F5F5F5;" + | ±
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Any age
| align="center" style="background:#F5F5F5;" + |Any age
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Neurologic manifestations
* Fatigue due to anemia
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |[[Petechia|Petechiae]]
| align="center" style="background:#F5F5F5;" + |Not common
| align="center" style="background:#F5F5F5;" + |Nl or ↑
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Neurologic]] findings
| align="center" style="background:#F5F5F5;" + |
* Signs of renal impairment
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
or ↑
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Fragmented [[Red blood cell|RBC]]<nowiki/>s
* Fragmented [[Red blood cell|RBC]]<nowiki/>s
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Hemoglobinuria]]
| align="center" style="background:#F5F5F5;" + |Laboratory findings
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Hemolysis]]
* [[Hemolysis]]
* Microvascular [[thrombosis]]
* Microvascular [[thrombosis]]
|-
|-
! align="center" style="background:#DCDCDC;" + |[[Hemolytic-uremic syndrome|Hemolytic uremic syndrome]] ([[Hemolytic-uremic syndrome|HUS]])
! align="center" style="background:#DCDCDC;" + |[[Hemolytic-uremic syndrome|Hemolytic uremic syndrome]] ([[Hemolytic-uremic syndrome|HUS]])<ref name="pmid26396094">{{cite journal |vauthors=Conway EM |title=HUS and the case for complement |journal=Blood |volume=126 |issue=18 |pages=2085–90 |date=October 2015 |pmid=26396094 |doi=10.1182/blood-2015-03-569277 |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Escherichia coli O157:H7]]
* [[Escherichia coli O157:H7]]
* Genetic defects
* Genetic defects
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -/+
| align="center" style="background:#F5F5F5;" + | ±
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Children
| align="center" style="background:#F5F5F5;" + |Children
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Exposure to contaminated water or milk
* Consuming undercooked ground beef
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |[[Petechia|Petechiae]]
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Tenderness (medicine)|Abdominal tenderness]]
* [[Diarrhea]]
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
or ↑
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Fragmented [[Red blood cell|RBC]]<nowiki/>s
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Hemoglobinuria]]
| align="center" style="background:#F5F5F5;" + |Laboratory findings
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Acute renal failure [[Hemolysis]]
* Acute renal failure [[Hemolysis]]
* Microvascular [[thrombosis]]
* Microvascular [[thrombosis]]
|-
|-
! align="center" style="background:#DCDCDC;" + |[[Disseminated intravascular coagulation|DIC]]
! align="center" style="background:#DCDCDC;" + |[[Disseminated intravascular coagulation|DIC]]<ref name="pmid25503977">{{cite journal |vauthors=Schwameis M, Schörgenhofer C, Assinger A, Steiner MM, Jilma B |title=VWF excess and ADAMTS13 deficiency: a unifying pathomechanism linking inflammation to thrombosis in DIC, malaria, and TTP |journal=Thromb. Haemost. |volume=113 |issue=4 |pages=708–18 |date=April 2015 |pmid=25503977 |pmc=4745134 |doi=10.1160/TH14-09-0731 |url=}}</ref><ref name="pmid20008204">{{cite journal |vauthors=Kitchens CS |title=Thrombocytopenia and thrombosis in disseminated intravascular coagulation (DIC) |journal=Hematology Am Soc Hematol Educ Program |volume= |issue= |pages=240–6 |date=2009 |pmid=20008204 |doi=10.1182/asheducation-2009.1.240 |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Overstimulation of the coagulation system
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Any age
| align="center" style="background:#F5F5F5;" + |Any age
| align="center" style="background:#F5F5F5;" + |History of [[Physical trauma|trauma]], [[sepsis]], [[Cancer|malignancy]], [[vasculitis]] or [[exogenous]] [[Toxin|toxins]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* History of [[Physical trauma|trauma]], [[sepsis]], [[Cancer|malignancy]], [[vasculitis]] or [[exogenous]] [[Toxin|toxins]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Neurologic]] findings
| align="center" style="background:#F5F5F5;" + |
* Signs of renal impairment
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓↓
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Schistocytes]]
* Helmet cells
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |[[Schistocytes]]
* Low [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |
* Low [[Red blood cell|RBCs]]
| align="center" style="background:#F5F5F5;" + |↑↑
| align="center" style="background:#F5F5F5;" + |↑↑
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Laboratory studies including [[Complete blood count|CBC]], [[Prothrombin time|PT]], [[Partial thromboplastin time|PTT]], [[Fibrin degradation product|FDP]] and [[d-dimer]]
* [[Hemoglobinuria]]
| align="center" style="background:#F5F5F5;" + |Clinical manifestation + laboratory findings
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Hemolysis]]
* [[Hemolysis]]
* [[Microvascular disease|Microangiopathy]]  
* [[Microvascular disease|Microangiopathy]]
* Multi-organ dysfunction
|-
|-
! rowspan="7" align="center" style="background:#DCDCDC;" + |Congenital platelet disorders<ref name="pmid22726100">{{cite journal| author=Nurden AT, Freson K, Seligsohn U| title=Inherited platelet disorders. | journal=Haemophilia | year= 2012 | volume= 18 Suppl 4 | issue= | pages= 154-60 | pmid=22726100 | doi=10.1111/j.1365-2516.2012.02856.x | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22726100  }}</ref><ref name="pmid20011639">{{cite journal| author=D'Andrea G, Chetta M, Margaglione M| title=Inherited platelet disorders: thrombocytopenias and thrombocytopathies. | journal=Blood Transfus | year= 2009 | volume= 7 | issue= 4 | pages= 278-92 | pmid=20011639 | doi=10.2450/2009.0078-08 | pmc=2782805 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20011639  }}</ref>
! align="center" style="background:#DCDCDC;" |Nutrient deficiencies
! align="center" style="background:#DCDCDC;" + |MYH-9 related disorders
! align="center" style="background:#DCDCDC;" |[[Folic Acid|Folate]], [[vitamin B12]], [[copper]] deficiencies<ref name="ClarkeWeston-Smith2010">{{cite journal|last1=Clarke|first1=V.|last2=Weston-Smith|first2=S.|title=Severe folate-deficiency pancytopenia|journal=Case Reports|volume=2010|issue=oct18 2|year=2010|pages=bcr0320102851–bcr0320102851|issn=1757-790X|doi=10.1136/bcr.03.2010.2851}}</ref><ref name="pmid23069991">{{cite journal |vauthors=Blackmer AB, Bailey E |title=Management of copper deficiency in cholestatic infants: review of the literature and a case series |journal=Nutr Clin Pract |volume=28 |issue=1 |pages=75–86 |date=February 2013 |pmid=23069991 |doi=10.1177/0884533612461531 |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |[[Cytoskeleton|Cytoskeletal]] defects in [[Megakaryocyte|megakaryocytes]]
 
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Decreased platelet production
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Any age
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Malnutrition
* Alcohol use
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Fatigue]]
* [[Weakness]]
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Low [[Platelet|platelets]]
* Low [[Red blood cell|RBCs]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Low [[Platelet|platelets]]
* Low [[Red blood cell|RBCs]]
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Laboratory findings
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Megaloblastic anemia]]
|-
! colspan="2" style="background: #4479BA; color: #FFFFFF; text-align: center;" |Condition
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Etiology
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Decreased platelet production
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Platelet destruction in blood
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Platelet destruction in spleen
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Inherited
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Acquried
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Demography
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |History
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Fever
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Rash
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Bleeding
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |BP
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Splenomegaly
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Jaundice
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Other signs
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Plt
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |HB
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |WBC
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |PBS
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Bone marrow exam
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |PT
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |PTT
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |UA
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Gold standard
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Associated findings
|-
! rowspan="7" align="center" style="background:#DCDCDC;" + |Congenital platelet disorders<ref name="pmid22726100">{{cite journal| author=Nurden AT, Freson K, Seligsohn U| title=Inherited platelet disorders. | journal=Haemophilia | year= 2012 | volume= 18 Suppl 4 | issue=  | pages= 154-60 | pmid=22726100 | doi=10.1111/j.1365-2516.2012.02856.x | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22726100  }}</ref><ref name="BalduiniSavoia2012">{{cite journal|last1=Balduini|first1=Carlo L.|last2=Savoia|first2=Anna|title=Genetics of familial forms of thrombocytopenia|journal=Human Genetics|volume=131|issue=12|year=2012|pages=1821–1832|issn=0340-6717|doi=10.1007/s00439-012-1215-x}}</ref><ref name="pmid20011639">{{cite journal| author=D'Andrea G, Chetta M, Margaglione M| title=Inherited platelet disorders: thrombocytopenias and thrombocytopathies. | journal=Blood Transfus | year= 2009 | volume= 7 | issue= 4 | pages= 278-92 | pmid=20011639 | doi=10.2450/2009.0078-08 | pmc=2782805 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20011639  }}</ref>
! align="center" style="background:#DCDCDC;" + |[[MYH9]]-related disorders<ref name="pmid24643058">{{cite journal |vauthors=Zhang S, Zhou X, Liu S, Bai T, Zhang Y, Wang J, Wang S, Zhang X, Wang B |title=MYH9-related disease: description of a large Chinese pedigree and a survey of reported mutations |journal=Acta Haematol. |volume=132 |issue=2 |pages=193–8 |date=2014 |pmid=24643058 |doi=10.1159/000356681 |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Cytoskeleton|Cytoskeletal]] defects in [[Megakaryocyte|megakaryocytes]]
* Mutation
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |Any age, very rare
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Positive family history
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Petechia|Petechiae]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Sensorineural hearing loss|Hearing loss]]
* [[Sensorineural hearing loss|Hearing loss]]
Line 351: Line 467:
* [[Cataract]]
* [[Cataract]]
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Large [[Platelet|platelets]]
* Large [[Platelet|platelets]]


* Leukocyte inclusions
* Döhle body-like inclusions in peripheral blood neutrophils
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Genetic study
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Dominance relationship|Autosomal dominant]]
|-
! align="center" style="background:#DCDCDC;" + |[[Bernard-Soulier syndrome]]<ref name="pmid21357716">{{cite journal |vauthors=Berndt MC, Andrews RK |title=Bernard-Soulier syndrome |journal=Haematologica |volume=96 |issue=3 |pages=355–9 |date=March 2011 |pmid=21357716 |pmc=3046265 |doi=10.3324/haematol.2010.039883 |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Absence of Gp Ib-IX-V  
|-
! align="center" style="background:#DCDCDC;" + |Bernard-Soulier syndrome
| align="center" style="background:#F5F5F5;" + |Absence of
 
Gp Ib-IX-V  
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
Line 373: Line 489:
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |Children
| align="center" style="background:#F5F5F5;" + |Children, rare
| align="center" style="background:#F5F5F5;" + |History of easy bruising and bleeding symptoms
| align="center" style="background:#F5F5F5;" + |
* Positive family history
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
Line 385: Line 502:
| align="center" style="background:#F5F5F5;" + | Nl
| align="center" style="background:#F5F5F5;" + | Nl
| align="center" style="background:#F5F5F5;" + | Nl
| align="center" style="background:#F5F5F5;" + | Nl
| align="center" style="background:#F5F5F5;" + |Large [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |NA
* Large [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |
* Large [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |[[Flow cytometry]]
| align="center" style="background:#F5F5F5;" + |[[Flow cytometry]]
| align="center" style="background:#F5F5F5;" + |Increased  
| align="center" style="background:#F5F5F5;" + |
[[bleeding time]]
* [[Autosomal recessive]]
* Increased [[bleeding time]]
|-
|-
! align="center" style="background:#DCDCDC;" + |Gray platelet syndrome
! align="center" style="background:#DCDCDC;" + |[[Grey platelet syndrome|Gray platelet syndrome]]<ref name="pmid23427340">{{cite journal |vauthors=Michelson AD |title=Gray platelet syndrome |journal=Blood |volume=121 |issue=2 |pages=250 |date=January 2013 |pmid=23427340 |doi= |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Reduction or absence of alpha-granules in [[Blood platelet|blood platelets]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |Rare
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Positive family history
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Petechia|Petechiae]]
| align="center" style="background:#F5F5F5;" + | +
Mucocutaneous
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Epistaxis]]
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Large [[Platelet|platelets]] and  lack of granulation
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Myelofibrosis]]
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Genetic study
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Autosomal recessive]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
|-
|-
! align="center" style="background:#DCDCDC;" + |Wiskott-Aldrich syndrome
! align="center" style="background:#DCDCDC;" + |[[Wiskott-Aldrich syndrome]]<ref name="pmid29086100">{{cite journal |vauthors=Candotti F |title=Clinical Manifestations and Pathophysiological Mechanisms of the Wiskott-Aldrich Syndrome |journal=J. Clin. Immunol. |volume=38 |issue=1 |pages=13–27 |date=January 2018 |pmid=29086100 |doi=10.1007/s10875-017-0453-z |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |Mutation in [[GATA1|GATA-1]]  
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Mutation in [[GATA1|GATA-1]]  
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |Rare
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Positive family history
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Eczema]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |Bloody diarrhea
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Small but low [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Small but low [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Genetic study
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Recurrent [[Infection|infections]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Small [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[eczema]]
 
* recurrent [[Infection|infections]]  


* [[Autoimmune disease|autoimmune disorders]]  
* [[Autoimmune disease|autoimmune disorders]]  
* [[Cancer|malignancy]]
* [[Cancer|Malignancy]]
|-
|-
! align="center" style="background:#DCDCDC;" + |Thrombocytopenia with absent radius (TAR) syndrome
! align="center" style="background:#DCDCDC;" + |Thrombocytopenia with absent radius (TAR) syndrome<ref name="pmid27981927">{{cite journal |vauthors=Al-Qattan MM |title=The Pathogenesis of Radial Ray Deficiency in Thrombocytopenia-Absent Radius (TAR) Syndrome |journal=J Coll Physicians Surg Pak |volume=26 |issue=11 |pages=912–916 |date=November 2016 |pmid=27981927 |doi=2476 |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |1q21.1 [[Deletion (genetics)|deletion]] and [[bone marrow]] failure
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* 1q21.1 [[Deletion (genetics)|deletion]] and [[bone marrow]] failure
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |Children
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Positive family history
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Bilateral [[Radius (bone)|radial]] aplasia
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl or ↑
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Normal size [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Normal or hypercellular [[bone marrow]]
* Decreased, absent, or immature [[Megakaryocyte|megakaryocytes]]
* Small, [[basophilic]], vacuolated [[Megakaryocyte|megakaryocytes]]
* [[Erythroid]] [[hyperplasia]]
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Evidence of absent radius
+
Laboratory findings
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Cow's milk allergy
| align="center" style="background:#F5F5F5;" + |
* Various other anomalies
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Normal size [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
|-
|-
! align="center" style="background:#DCDCDC;" + |Alport syndrome
! align="center" style="background:#DCDCDC;" + |[[Fechtner syndrome]]<ref name="pmid10577925">{{cite journal |vauthors=Toren A, Amariglio N, Rozenfeld-Granot G, Simon AJ, Brok-Simoni F, Pras E, Rechavi G |title=Genetic linkage of autosomal-dominant Alport syndrome with leukocyte inclusions and macrothrombocytopenia (Fechtner syndrome) to chromosome 22q11-13 |journal=Am. J. Hum. Genet. |volume=65 |issue=6 |pages=1711–7 |date=December 1999 |pmid=10577925 |pmc=1288382 |doi=10.1086/302654 |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Mutation of chromosome 22q11-13
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |Children
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Positive family history
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Bruise|Ecchymoses]] and
[[petechia]]
| align="center" style="background:#F5F5F5;" + | + [[Mucocutaneous zone|Mucocutaneous]]
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Hearing loss
* Eye abnormalities
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl or ↑
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Large [[Platelet|platelets]]
* Granulocytic inclusions
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Hematuria|Microscopic hematuria]]
* [[Pyuria]]
* [[Hematuria|Red cell]] [[casts]]
* [[Hematuria|Cylindrical]] [[casts]]
* [[Proteinuria]]
| align="center" style="background:#F5F5F5;" + |Clinical manifestation + genetic study
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Dominance relationship|Autosomal dominant]] variant of [[Alport syndrome]]
| align="center" style="background:#F5F5F5;" + |
* [[Renal insufficiency|Renal failure]]
| align="center" style="background:#F5F5F5;" + |
* [[Hypoalbuminemia]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
|-
|-
! align="center" style="background:#DCDCDC;" + |Von Willebrand disease
! align="center" style="background:#DCDCDC;" + |[[Von Willebrand disease]]<ref name="pmid24337418">{{cite journal |vauthors=Langer F, Obser T, Oyen F, Spath B, Holstein K, Greinacher A, White JG, Budde U, Bokemeyer C, Schneppenheim R |title=Characterisation of the p.A1461D mutation causing von Willebrand disease type 2B with severe thrombocytopenia, circulating giant platelets, and defective α-granule secretion |journal=Thromb. Haemost. |volume=111 |issue=4 |pages=777–9 |date=April 2014 |pmid=24337418 |doi=10.1160/TH13-06-0462 |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |[[Von Willebrand factor|VWF]] deficiency/dysfunction
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Von Willebrand factor|VWF]] deficiency/dysfunction
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
Line 516: Line 677:
| align="center" style="background:#F5F5F5;" + |Rarely
| align="center" style="background:#F5F5F5;" + |Rarely
| align="center" style="background:#F5F5F5;" + |More common with [[ABO blood group system|O blood type]]
| align="center" style="background:#F5F5F5;" + |More common with [[ABO blood group system|O blood type]]
| align="center" style="background:#F5F5F5;" + |Bleeding symptoms
| align="center" style="background:#F5F5F5;" + |
* Positive family history
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
Line 527: Line 689:
| align="center" style="background:#F5F5F5;" + |Nl/↓
| align="center" style="background:#F5F5F5;" + |Nl/↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Large [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Large [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl or ↑
| align="center" style="background:#F5F5F5;" + |Nl or ↑
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Hematuria]]
| align="center" style="background:#F5F5F5;" + |Laboratory findings
| align="center" style="background:#F5F5F5;" + |Laboratory findings
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
|-
* Lifelong bleeding disorder
! align="center" style="background:#DCDCDC;" + |Nutrient deficiencies
! align="center" style="background:#DCDCDC;" + |Folate, vitamin B12, copper
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
|-
|-
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Category
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Category
Line 604: Line 741:
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |[[Bruise|Ecchymoses]] and
| align="center" style="background:#F5F5F5;" + |
* [[Bruise|Ecchymoses]] and
[[petechia]]
[[petechia]]
| align="center" style="background:#F5F5F5;" + | + [[Mucocutaneous zone|Mucocutaneous]]
| align="center" style="background:#F5F5F5;" + | + [[Mucocutaneous zone|Mucocutaneous]]
Line 615: Line 753:
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Large [[Platelet|platelets]], otherwise normal
| align="center" style="background:#F5F5F5;" + |
* Large [[Platelet|platelets]], otherwise normal
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
Line 626: Line 765:
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Immune-mediated [[platelet]] destruction
* Immune-mediated [[platelet]] destruction
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |-
| align="center" style="background:#F5F5F5;" + |-
| align="center" style="background:#F5F5F5;" + |+
| align="center" style="background:#F5F5F5;" + |Young women, more prevalent in Africans and Asians
| align="center" style="background:#F5F5F5;" + |Young women, more prevalent in Africans and Asians
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
Line 639: Line 778:
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |[[Malar rash]], generalized [[maculopapular rash]], discoid rash
| align="center" style="background:#F5F5F5;" + |[[Malar rash]], generalized [[maculopapular rash]], discoid rash
| align="center" style="background:#F5F5F5;" + |+
| align="center" style="background:#F5F5F5;" + | +


[[Hemoptysis]]
[[Hemoptysis]]
Line 653: Line 792:
* [[Hepatomegaly]]
* [[Hepatomegaly]]
* [[Cognitive impairment]]
* [[Cognitive impairment]]


| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |[[Pancytopenia]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |[[Pancytopenia]]
* [[Pancytopenia]]
| align="center" style="background:#F5F5F5;" + |
* [[Pancytopenia]]
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
Line 679: Line 819:
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Autoantibody-mediated syndrome
* Autoantibody-mediated syndrome
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
Line 689: Line 829:
* Other [[Rheumatologic disease|rheumatologic]] and [[autoimmune diseases]]
* Other [[Rheumatologic disease|rheumatologic]] and [[autoimmune diseases]]
* [[Family history]] of [[Rheumatologic disease|rheumatologic diseases]]
* [[Family history]] of [[Rheumatologic disease|rheumatologic diseases]]
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |-
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |-
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Deep vein thrombosis|DVT]]
* [[Deep vein thrombosis|DVT]]
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Reduced [[Platelet|platelets]] and [[White blood cells|WBC]]
* Reduced [[Platelet|platelets]] and [[White blood cells|WBC]]
| align="center" style="background:#F5F5F5;" + |Reduced [[Platelet|platelets]] and [[White blood cells|WBC]]
| align="center" style="background:#F5F5F5;" + |
* Reduced [[Platelet|platelets]] and [[White blood cells|WBC]]
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
Line 711: Line 853:
* [[Stroke]]
* [[Stroke]]
|-
|-
! colspan="2" align="center" style="background:#DCDCDC;" + |[[Felty's syndrome]]
! colspan="2" align="center" style="background:#DCDCDC;" + |[[Felty's syndrome]]<ref name="ChavalitdhamrongMolovic-Kokovic2009">{{cite journal|last1=Chavalitdhamrong|first1=Disaya|last2=Molovic-Kokovic|first2=Ana|last3=Iliev|first3=Andrey|title=Felty's Syndrome as an initial presentation of Rheumatoid Arthritis: a case report|journal=Cases Journal|volume=2|issue=1|year=2009|pages=206|issn=1757-1626|doi=10.1186/1757-1626-2-206}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Splenomegaly
* Autoantibody-mediated syndrome
* [[Splenomegaly]]
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | ±
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Rare, young women
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Arthritis]]
* Family history of [[Rheumatoid arthritis|RA]]
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Necrosis|Necrotizing]] skin lesions
* [[Rheumatoid nodule]]
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Lymphadenopathy
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Reduced [[Platelet|platelets]] and [[White blood cells|WBC]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Reduced [[Platelet|platelets]] and [[White blood cells|WBC]]
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Clinical manifestation
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Rheumatoid arthritis]]
| align="center" style="background:#F5F5F5;" + |
* Positive [[Rheumatoid factor|RF]] and anti-citrullinated peptide antibodies
| align="center" style="background:#F5F5F5;" + |
* [[Episcleritis]]
| align="center" style="background:#F5F5F5;" + |
* Pleuropericarditis
| align="center" style="background:#F5F5F5;" + |
|-
| align="center" style="background:#F5F5F5;" + |
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Category
| align="center" style="background:#F5F5F5;" + |
! colspan="2" style="background: #4479BA; color: #FFFFFF; text-align: center;" |Condition
| align="center" style="background:#F5F5F5;" + |
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Etiology
| align="center" style="background:#F5F5F5;" + |
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Decreased platelet production
| align="center" style="background:#F5F5F5;" + |
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Platelet destruction in blood
| align="center" style="background:#F5F5F5;" + |
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Platelet destruction in spleen
| align="center" style="background:#F5F5F5;" + |
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Inherited
| align="center" style="background:#F5F5F5;" + |
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Acquried
| align="center" style="background:#F5F5F5;" + |
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Demography
| align="center" style="background:#F5F5F5;" + |
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |History
| align="center" style="background:#F5F5F5;" + |
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Fever
| align="center" style="background:#F5F5F5;" + |
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Rash
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Bleeding
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |BP
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Splenomegaly
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Jaundice
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Other signs
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Plt
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |HB
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |WBC
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |PBS
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Bone marrow exam
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |PT
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |PTT
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |UA
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Gold standard
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Associated findings
|-
|-
! rowspan="7" style="background: #4479BA; color: #FFFFFF; text-align: center;" |Infection-induced
! rowspan="7" style="background: #4479BA; color: #FFFFFF; text-align: center;" |Infection-induced
! rowspan="3" align="center" style="background:#DCDCDC;" + |[[Infection|Bacterial infections]]
! rowspan="3" align="center" style="background:#DCDCDC;" + |[[Infection|Bacterial infections]]
! align="center" style="background:#DCDCDC;" + |[[Sepsis]]
! align="center" style="background:#DCDCDC;" + |[[Sepsis]]<ref name="WuRen2014">{{cite journal|last1=Wu|first1=Qin|last2=Ren|first2=Jianan|last3=Wu|first3=Xiuwen|last4=Wang|first4=Gefei|last5=Gu|first5=Guosheng|last6=Liu|first6=Song|last7=Wu|first7=Yin|last8=Hu|first8=Dong|last9=Zhao|first9=Yunzhao|last10=Li|first10=Jieshou|title=Recombinant human thrombopoietin improves platelet counts and reduces platelet transfusion possibility among patients with severe sepsis and thrombocytopenia: A prospective study|journal=Journal of Critical Care|volume=29|issue=3|year=2014|pages=362–366|issn=08839441|doi=10.1016/j.jcrc.2013.11.023}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Direct bone marrow suppression
* Direct [[bone marrow suppression]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Any
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Infection|Bacterial infection]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Petechiae]]
* [[Purpura]]
* [[Erythema]]
* [[Ulcer|Ulceration]]
| align="center" style="background:#F5F5F5;" + | ±
| align="center" style="background:#F5F5F5;" + |Nl to ↓
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | ±
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Malaise]]
* [[Lymphadenopathy]]
| align="center" style="background:#F5F5F5;" + |↓/↑
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |↑↑
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Reduced [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + | +
Depends on the etiology
| align="center" style="background:#F5F5F5;" + |Clinical manifestation + culture
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Associated with ↑ mortality
| align="center" style="background:#F5F5F5;" + |
|-
|-
! align="center" style="background:#DCDCDC;" + |[[Helicobacter pylori]]
! align="center" style="background:#DCDCDC;" + |[[Helicobacter pylori]]<ref name="pmid24574745">{{cite journal |vauthors=Kuwana M |title=Helicobacter pylori-associated immune thrombocytopenia: clinical features and pathogenic mechanisms |journal=World J. Gastroenterol. |volume=20 |issue=3 |pages=714–23 |date=January 2014 |pmid=24574745 |pmc=3921481 |doi=10.3748/wjg.v20.i3.714 |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Immune thrombocytopenia
* Immune thrombocytopenia
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Any
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Epigastric tenderness
* [[Heartburn]]
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Reduced [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Clinical manifestation + culture
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Gastroesophageal reflux disease|GERD]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
|-
|-
! align="center" style="background:#DCDCDC;" + |[[Tick-borne disease|Tick-borne infection]]
! align="center" style="background:#DCDCDC;" + |[[Tick-borne disease|Tick-borne infection]]<ref name="pmid24837566">{{cite journal |vauthors=Liu Q, He B, Huang SY, Wei F, Zhu XQ |title=Severe fever with thrombocytopenia syndrome, an emerging tick-borne zoonosis |journal=Lancet Infect Dis |volume=14 |issue=8 |pages=763–772 |date=August 2014 |pmid=24837566 |doi=10.1016/S1473-3099(14)70718-2 |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Immune thrombocytopenia
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Endemic area like China, Japan, and Korea
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Being bitten by a tick
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Petechiae]]
* [[Purpura]]
* [[Erythema]]
* [[Ulcer|Ulceration]]
| align="center" style="background:#F5F5F5;" + |±
| align="center" style="background:#F5F5F5;" + |Nl to ↓
| align="center" style="background:#F5F5F5;" + |±
| align="center" style="background:#F5F5F5;" + |±
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Encephalitis]]
* [[Viral hemorrhagic fever|Hemorrhagic fever]]
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Reduced [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Proteinuria]]
| align="center" style="background:#F5F5F5;" + |[[Polymerase chain reaction|PCR]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Elevated [[Alanine transaminase|ALT]] and [[Aspartate transaminase|AST]]
| align="center" style="background:#F5F5F5;" + |
* [[Multiple organ dysfunction syndrome|Multiple organ failure]]
| align="center" style="background:#F5F5F5;" + |
* [[Lymphadenopathy]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
|-
|-
! rowspan="2" align="center" style="background:#DCDCDC;" + |[[Virus|Viral infections]]
! rowspan="2" align="center" style="background:#DCDCDC;" + |[[Virus|Viral infections]]
! align="center" style="background:#DCDCDC;" + |[[Human Immunodeficiency Virus (HIV)|HIV]]
! align="center" style="background:#DCDCDC;" + |[[Human Immunodeficiency Virus (HIV)|HIV]]<ref name="pmid26098601">{{cite journal |vauthors=Borges ÁH, Lundgren JD, Mocroft A |title=Thrombocytopenia and cancer risk during HIV infection |journal=AIDS |volume=29 |issue=11 |pages=1425–7 |date=July 2015 |pmid=26098601 |doi=10.1097/QAD.0000000000000744 |url=}}</ref>
| align="Left" style="background:#F5F5F5;" + |
| align="Left" style="background:#F5F5F5;" + |
* An ITP-like condition called primary HIV-associated thrombocytopenia
* Immune thrombocytopenia
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Any
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* High risk behaviors
* Close contact
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Skin lesions]]
| align="center" style="background:#F5F5F5;" + |±
| align="center" style="background:#F5F5F5;" + |Nl to ↓
| align="center" style="background:#F5F5F5;" + |±
| align="center" style="background:#F5F5F5;" + |±
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Lymphadenopathy]]
* [[Muscle weakness]]
* [[Joint swelling]]
* Focal neurological deficits
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Pancytopenia]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Pancytopenia]]
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Proteinuria]]
| align="center" style="background:#F5F5F5;" + |Isolation of [[Human Immunodeficiency Virus (HIV)|HIV]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Cancer|Malignancy]]
| align="center" style="background:#F5F5F5;" + |
* Severe [[immunodeficiency]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
|-
|-
! align="center" style="background:#DCDCDC;" + |Other viruses such as [[rubella]], [[mumps]], [[varicella]], [[parvovirus]], [[hepatitis C]], & [[Epstein Barr virus|Epstein-Barr virus]]
! align="center" style="background:#DCDCDC;" + |Other viruses such as [[rubella]], [[mumps]], [[varicella]], [[parvovirus]], [[hepatitis C]], & [[Epstein Barr virus|Epstein-Barr virus]]<ref name="pmid25518779">{{cite journal |vauthors=Saeed M, Dabbagh O, Al-Muhaizae M, Dhalaan H, Chedrawi A |title=Acute disseminated encephalomyelitis and thrombocytopenia following Epstein-Barr virus infection |journal=J Coll Physicians Surg Pak |volume=24 Suppl 3 |issue= |pages=S216–8 |date=November 2014 |pmid=25518779 |doi=11.2014/JCPSP.S216S218 |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Immune thrombocytopenia
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Any
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* High risk behaviors
* Close contact
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Petechiae]]
* [[Purpura]]
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |±
| align="center" style="background:#F5F5F5;" + |±
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Lymphadenopathy]]
* [[Muscle weakness]]
* [[Joint swelling]]
* Focal neurological deficits
* Depends on etiology
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Pancytopenia]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Pancytopenia]]
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Hematuria]]
| align="center" style="background:#F5F5F5;" + |Clinical manifestation + lab tests
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Depends on etiology
| align="center" style="background:#F5F5F5;" + |
* [[Encephalomyelitis]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
|-
|-
! rowspan="2" align="center" style="background:#DCDCDC;" + |[[Parasitism|Parasitic infections]]
! rowspan="2" align="center" style="background:#DCDCDC;" + |[[Parasitism|Parasitic infections]]
! align="center" style="background:#DCDCDC;" + |[[Malaria]]
! align="center" style="background:#DCDCDC;" + |[[Malaria]]<ref name="pmid25131143">{{cite journal |vauthors=Rodriguez-Morales AJ, Giselle-Badillo A, Manrique-Castaño S, Yepes MC |title=Anemia and thrombocytopenia in Plasmodium vivax malaria is not unusual in patients from endemic and non-endemic settings |journal=Travel Med Infect Dis |volume=12 |issue=5 |pages=549–50 |date=2014 |pmid=25131143 |doi=10.1016/j.tmaid.2014.07.006 |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Unknown
* Immune thrombocytopenia
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Endemic area
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Being bitten by a mosquito
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |±
| align="center" style="background:#F5F5F5;" + |Nl to ↓
| align="center" style="background:#F5F5F5;" + |±
| align="center" style="background:#F5F5F5;" + |±
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Headache]]
* [[Weakness]]
* [[Night sweats]]
* [[Joint pain]]
* [[Muscle pain]]
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Pancytopenia]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Pancytopenia]]
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Hematuria]]
| align="center" style="background:#F5F5F5;" + |Clinical manifestation + microscopic examination of blood smear
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Life-threatening disease
* [[Multiple organ dysfunction syndrome|Multiple organ failure]]
|-
|-
! align="center" style="background:#DCDCDC;" + |[[Babesiosis]]  
! align="center" style="background:#DCDCDC;" + |[[Babesiosis]]<ref name="pmid24783256">{{cite journal |vauthors=Nackos E, DeSancho M |title=Anemia and thrombocytopenia: diagnosis from the blood smear |journal=Blood |volume=123 |issue=12 |pages=1783 |date=March 2014 |pmid=24783256 |doi= |url=}}</ref>
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Unknown
* Immune thrombocytopenia
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Rare
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Being bitten by a tick
* [[Immunodeficiency]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |±
| align="center" style="background:#F5F5F5;" + |Nl to ↓
| align="center" style="background:#F5F5F5;" + |±
| align="center" style="background:#F5F5F5;" + |±
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Fatigue]]
* [[Rigor|Chills]]
* [[Perspiration|Sweats]]
* [[Headache]]
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Pancytopenia]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Pancytopenia]]
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* [[Hematuria]]
| align="center" style="background:#F5F5F5;" + |Clinical manifestation + microscopic examination of blood smear
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Severe hemolytic anemia
* [[Disseminated intravascular coagulation|DIC]]
* [[Multiple organ dysfunction syndrome|Multiple organ failure]]
|-
|-
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Category
! style="background: #4479BA; color: #FFFFFF; text-align: center;" |Category
Line 975: Line 1,238:
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Any
| align="center" style="background:#F5F5F5;" + |Any
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Drug ingestion or injection
* Drug ingestion or injection
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |[[Bruise|Ecchymoses]] and
| align="center" style="background:#F5F5F5;" + |
[[petechia]]
* [[Bruise|Ecchymoses]]
| align="center" style="background:#F5F5F5;" + | -
* [[Petechia]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |↓↓
| align="center" style="background:#F5F5F5;" + |↓↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Reduced [[platelets]]
| align="center" style="background:#F5F5F5;" + |
* Reduced [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
Line 1,003: Line 1,268:
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Anti-heparin/PF4 antibody 
* Anti-heparin/PF4 antibody 
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Any
| align="center" style="background:#F5F5F5;" + |Any
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |
* Heparin injection
* Heparin injection
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Necrotic skin lesions
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
* Necrotic skin lesions
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Reduced [[platelets]]
| align="center" style="background:#F5F5F5;" + |
* Reduced [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
Line 1,035: Line 1,302:
* [[Bone marrow suppression]]
* [[Bone marrow suppression]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Patients with [[Cancer|malignancy]]
| align="center" style="background:#F5F5F5;" + |Patients with [[Cancer|malignancy]]
Line 1,043: Line 1,310:
* Drug ingestion or injection
* Drug ingestion or injection
* [[Cancer]]
* [[Cancer]]
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |[[Bruise|Ecchymoses]] and
| align="center" style="background:#F5F5F5;" + |
[[petechia]]
* [[Bruise|Ecchymoses]]
| align="center" style="background:#F5F5F5;" + | -
* Petechia
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Reduced [[platelets]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Megakaryocytic hypoplasia or aplasia
* Reduced [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |
* Megakaryocytic hypoplasia or aplasia
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
Line 1,067: Line 1,337:
* Predictable, dose-dependent [[Bone marrow suppression|myelosuppression]]
* Predictable, dose-dependent [[Bone marrow suppression|myelosuppression]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Patients with [[Cancer|malignancy]]
| align="center" style="background:#F5F5F5;" + |Patients with [[Cancer|malignancy]]
Line 1,075: Line 1,345:
* [[Radiation therapy|Radiation]]
* [[Radiation therapy|Radiation]]
* [[Cancer]]
* [[Cancer]]
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |[[Purpura]], [[Petechia|petechiae]]
| align="center" style="background:#F5F5F5;" + |
* [[Purpura]]
* [[Petechia|Petechiae]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Reduced [[platelets]]
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Megakaryocytic hypoplasia or aplasia
* Reduced [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |
* Megakaryocytic hypoplasia or aplasia
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
Line 1,099: Line 1,373:
* [[Bone marrow suppression]]
* [[Bone marrow suppression]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Any
| align="center" style="background:#F5F5F5;" + |Any
Line 1,107: Line 1,381:
* [[Cirrhosis]]
* [[Cirrhosis]]
* [[Alcoholism|Alcohol use]]
* [[Alcoholism|Alcohol use]]
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |[[Purpura]], [[Petechia|petechiae]]
| align="center" style="background:#F5F5F5;" + |
* [[Purpura]]
* [[Petechia|Petechiae]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Reduced [[platelets]]
| align="center" style="background:#F5F5F5;" + |
* Reduced [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
Line 1,134: Line 1,411:
* [[Bone marrow suppression]]
* [[Bone marrow suppression]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Any
| align="center" style="background:#F5F5F5;" + |Any
Line 1,142: Line 1,419:
* [[Cirrhosis]]
* [[Cirrhosis]]
* [[Alcoholism|Alcohol use]]
* [[Alcoholism|Alcohol use]]
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |[[Purpura]], [[Petechia|petechiae]]
| align="center" style="background:#F5F5F5;" + |
* [[Purpura]]
* [[Petechia|Petechiae]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Reduced [[platelets]]
| align="center" style="background:#F5F5F5;" + |
* Reduced [[Platelet|platelets]]
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |NA
| align="center" style="background:#F5F5F5;" + |↑
| align="center" style="background:#F5F5F5;" + |↑
Line 1,203: Line 1,483:
* Rare but serious infantile [[coagulopathy]]
* Rare but serious infantile [[coagulopathy]]
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |Multiple purple [[hemangioma]]
| align="center" style="background:#F5F5F5;" + |
* Multiple purple [[hemangioma]]
| align="center" style="background:#F5F5F5;" + | Intralesional [[bleeding]]
| align="center" style="background:#F5F5F5;" + | Intralesional [[bleeding]]
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
Line 1,235: Line 1,516:
* [[Coronary heart disease|Coronary artery disease]]
* [[Coronary heart disease|Coronary artery disease]]
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |−
| align="center" style="background:#F5F5F5;" + |[[Purpura]], [[Petechia|petechiae]]
| align="center" style="background:#F5F5F5;" + |
* [[Purpura]]
* [[Petechia|Petechiae]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Nl or ↑
| align="center" style="background:#F5F5F5;" + |Nl or ↑
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
Line 1,268: Line 1,551:
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
Line 1,298: Line 1,581:
* History of [[blood transfusion]] or pregnancy
* History of [[blood transfusion]] or pregnancy
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + | −
| align="center" style="background:#F5F5F5;" + |[[Purpura]], [[Petechia|petechiae]]
| align="center" style="background:#F5F5F5;" + |
* [[Purpura]]
* [[Petechia|Petechiae]]
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
Line 1,386: Line 1,671:
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + | +
| align="center" style="background:#F5F5F5;" + |Females with the median age of onset 35 years  
| align="center" style="background:#F5F5F5;" + |Females with the median age of onset 35 years  
| align="left" style="background:#F5F5F5;" + |
| align="left" style="background:#F5F5F5;" + |
* Misdiagnosed as [[Idiopathic thrombocytopenic purpura|ITP]] with uniformly poor responses
* Misdiagnosed as [[Idiopathic thrombocytopenic purpura|ITP]] with uniformly poor responses
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |[[Purpura]], [[Petechia|petechiae]]
| align="center" style="background:#F5F5F5;" + |
* [[Purpura]]
* [[Petechia|Petechiae]]
| align="center" style="background:#F5F5F5;" + |Minor mucocutaneous [[bleeding]]
| align="center" style="background:#F5F5F5;" + |Minor mucocutaneous [[bleeding]]
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + | -
| align="center" style="background:#F5F5F5;" + |
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |↓
| align="center" style="background:#F5F5F5;" + |Nl
| align="center" style="background:#F5F5F5;" + |Nl
Line 1,416: Line 1,703:
| align="center" style="background:#F5F5F5;" |
| align="center" style="background:#F5F5F5;" |
* [[Platelet]] clumping due to [[EDTA]]
* [[Platelet]] clumping due to [[EDTA]]
| align="center" style="background:#F5F5F5;" | -
| align="center" style="background:#F5F5F5;" |
| align="center" style="background:#F5F5F5;" | -
| align="center" style="background:#F5F5F5;" |
| align="center" style="background:#F5F5F5;" | -
| align="center" style="background:#F5F5F5;" |
| align="center" style="background:#F5F5F5;" | -
| align="center" style="background:#F5F5F5;" |
| align="center" style="background:#F5F5F5;" | +
| align="center" style="background:#F5F5F5;" | +
| align="center" style="background:#F5F5F5;" |Rare
| align="center" style="background:#F5F5F5;" |Rare
| align="center" style="background:#F5F5F5;" | Collected sample in [[EDTA]] anticoagulant  
| align="center" style="background:#F5F5F5;" | Collected sample in [[EDTA]] anticoagulant  
| align="center" style="background:#F5F5F5;" | -
| align="center" style="background:#F5F5F5;" |
| align="center" style="background:#F5F5F5;" | -
| align="center" style="background:#F5F5F5;" |
| align="center" style="background:#F5F5F5;" | -
| align="center" style="background:#F5F5F5;" |
| align="center" style="background:#F5F5F5;" | Nl
| align="center" style="background:#F5F5F5;" | Nl
| align="center" style="background:#F5F5F5;" | -
| align="center" style="background:#F5F5F5;" |
| align="center" style="background:#F5F5F5;" | -
| align="center" style="background:#F5F5F5;" |
| align="center" style="background:#F5F5F5;" | -
| align="center" style="background:#F5F5F5;" |
| align="center" style="background:#F5F5F5;" |↓
| align="center" style="background:#F5F5F5;" |↓
| align="center" style="background:#F5F5F5;" |Nl
| align="center" style="background:#F5F5F5;" |Nl

Latest revision as of 21:02, 26 February 2019

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sadaf Sharfaei M.D.[2], Farbod Zahedi Tajrishi, M.D. [2]

Overview

Thrombocytopenia has a broad range of potential causes. While a good history and physical examination can be helpful to diagnose some of these causes such as drug-induced thrombocytopenia, they usually don't suffice and further evaluation is often needed. There are also some useful points that may guide the physician to an appropriate diagnosis. For example, asymptomatic, isolated thrombocytopenia most probably suggests ITP, while thrombocytopenia in critically ill, hospitalized patients is usually suggestive of iatrogenic causes (eg. dilution), platelet consumption, bone marrow suppression from infection/sepsis, or even drug-induced thrombocytopenia. One should consider however, that a wide variety of other conditions such as autoimmune disorders, nutrient deficiencies, thrombotic microangiopathies could all as well cause thrombocytopenia.

Thrombocytopenia Differential Diagnosis

Differentiating the diseases that can cause thrombocytopenia:

Category Condition Etiology Mechanism Inherited Acquried Clinical manifestations Para−clinical findings Gold standard Associated findings
Demography History Symptoms Signs
Lab Findings
Fever Rash Bleeding BP Splenomegaly Jaundice Other CBC PBS Bone marrow exam PT PTT UA
Decreased platelet production Platelet destruction in blood Platelet destruction in spleen Plt HB WBC
Hematology Bone marrow disorders Myelodysplastic syndromes[1]
  • Unknown
  • Mutation
+ ± + Elderly Exposure to + Petechiae, purpura, diffuse erythematous rash + Nl + + Nl Nl Nl Bone marrow examination + clinical manifestation
Aplastic anemia[2] + ± ± Biphasic (the young and the elderly) + Nl Nl Bone marrow examination +

laboratory findings

Acute leukemia[3][4] + + ± ± AML in adults
  • Exposure to chemicals
  • Radiation
  • Pre-existent blood disorders
± Petechiae + Nl ±
  • Blast cells
Bone marrow examination
Paroxysmal nocturnal hemoglobinuria (PNH)[5]
  • Mutations
+ + + Any age

(usually younger adults)

Nl ↓/Nl ↓/Nl
  • Hypocellular marrow in certain stages of the disease
Nl Nl Flow cytometry
Condition Etiology Decreased platelet production Platelet destruction in blood Platelet destruction in spleen Inherited Acquried Demography History Fever Rash Bleeding BP Splenomegaly Jaundice Other signs Plt HB WBC PBS Bone marrow exam PT PTT UA Gold standard Associated findings
Thrombotic microangiopathy (TMA) Thrombotic thrombocytopenic purpura (TTP)[6]
  • Deficiency of, or antibodies to, the metalloprotease ADAMTS13  
+ ± + Any age
  • Neurologic manifestations
  • Fatigue due to anemia
+ Petechiae Not common Nl or ↑ + Nl

or ↑

  • Fragmented RBCs
NA Nl Nl Laboratory findings
Hemolytic uremic syndrome (HUS)[7] + ± + Children
  • Exposure to contaminated water or milk
  • Consuming undercooked ground beef
+ Petechiae + Nl

or ↑

  • Fragmented RBCs
NA Nl Nl Laboratory findings
DIC[8][9]
  • Overstimulation of the coagulation system
+ + + Any age + + + + ↓↓ ↑↑ Clinical manifestation + laboratory findings
Nutrient deficiencies Folate, vitamin B12, copper deficiencies[10][11]
  • Decreased platelet production
+ + Any age
  • Malnutrition
  • Alcohol use
Nl Nl Nl Nl Nl Laboratory findings
Condition Etiology Decreased platelet production Platelet destruction in blood Platelet destruction in spleen Inherited Acquried Demography History Fever Rash Bleeding BP Splenomegaly Jaundice Other signs Plt HB WBC PBS Bone marrow exam PT PTT UA Gold standard Associated findings
Congenital platelet disorders[12][13][14] MYH9-related disorders[15] + + Any age, very rare
  • Positive family history
+ Nl Nl
  • Döhle body-like inclusions in peripheral blood neutrophils
NA Nl Nl Nl Genetic study
Bernard-Soulier syndrome[16]
  • Absence of Gp Ib-IX-V  
+ + Children, rare
  • Positive family history
+ Nl Nl Nl Nl Nl Nl Flow cytometry
Gray platelet syndrome[17] + + Rare
  • Positive family history
+

Mucocutaneous

Nl + Nl Nl Nl Nl Nl Genetic study
Wiskott-Aldrich syndrome[18] + + Rare
  • Positive family history
+ Nl Bloody diarrhea Nl Nl Nl Nl Nl Genetic study
Thrombocytopenia with absent radius (TAR) syndrome[19] + + Children
  • Positive family history
+ + Nl Nl Nl or ↑ Nl Nl Nl Evidence of absent radius

+

Laboratory findings

  • Cow's milk allergy
  • Various other anomalies
Fechtner syndrome[20]
  • Mutation of chromosome 22q11-13
+ + Children
  • Positive family history

petechia

+ Mucocutaneous Nl
  • Hearing loss
  • Eye abnormalities
Nl Nl or ↑ NA Nl Nl Clinical manifestation + genetic study
Von Willebrand disease[21]
  • VWF deficiency/dysfunction
+ + Rarely More common with O blood type
  • Positive family history
+ Nl/ ↓ Nl/↓ Nl NA Nl Nl or ↑ Laboratory findings
  • Lifelong bleeding disorder
Category Condition Etiology Decreased platelet production Platelet destruction in blood Platelet destruction in spleen Inherited Acquried Demography History Fever Rash Bleeding BP Splenomegaly Jaundice Other signs Plt HB WBC PBS Bone marrow exam PT PTT UA Gold standard Associated findings
Rheumatologic/autoimmune disorders ITP[22] + + + Any age

petechia

+ Mucocutaneous Nl ↓↓↓ Nl Nl Nl Nl Nl Nl Diagnosis of exclusion
  • Spontaneous remission  
Systemic lupus erythematosus[23] + + Young women, more prevalent in Africans and Asians + Malar rash, generalized maculopapular rash, discoid rash +

Hemoptysis

Nl or ↑ + + Clinical manifestation + serology
Antiphospholipid syndrome[24]
  • Autoantibody-mediated syndrome
+ + + Middle aged women, more in African American and Hispanic population Nl Nl Nl Clinical manifestation + repeated positive tests of aPL
Felty's syndrome[25] + + ± + Rare, young women Nl +
  • Lymphadenopathy
Nl Nl Nl Nl Clinical manifestation
Category Condition Etiology Decreased platelet production Platelet destruction in blood Platelet destruction in spleen Inherited Acquried Demography History Fever Rash Bleeding BP Splenomegaly Jaundice Other signs Plt HB WBC PBS Bone marrow exam PT PTT UA Gold standard Associated findings
Infection-induced Bacterial infections Sepsis[26] + + + Any + ± Nl to ↓ ± ↓/↑ Nl ↑↑ NA +

Depends on the etiology

Clinical manifestation + culture
  • Associated with ↑ mortality
Helicobacter pylori[27]
  • Immune thrombocytopenia
+ + Any Nl Nl Nl NA Nl Nl Nl Clinical manifestation + culture
Tick-borne infection[28]
  • Immune thrombocytopenia
+ + Endemic area like China, Japan, and Korea
  • Being bitten by a tick
+ ± Nl to ↓ ± ± Nl NA Nl Nl PCR
Viral infections HIV[29]
  • Immune thrombocytopenia
+ + + + Any
  • High risk behaviors
  • Close contact
+ ± Nl to ↓ ± ± Isolation of HIV
Other viruses such as rubella, mumps, varicella, parvovirus, hepatitis C, & Epstein-Barr virus[30]
  • Immune thrombocytopenia
+ + Any
  • High risk behaviors
  • Close contact
+ Nl ± ± Nl Nl Clinical manifestation + lab tests
Parasitic infections Malaria[31]
  • Unknown
  • Immune thrombocytopenia
+ + Endemic area
  • Being bitten by a mosquito
+ ± Nl to ↓ ± ± Nl Nl Clinical manifestation + microscopic examination of blood smear
Babesiosis[32]
  • Unknown
  • Immune thrombocytopenia
+ + Rare + ± Nl to ↓ ± ± Nl Nl Clinical manifestation + microscopic examination of blood smear
Category Condition Etiology Decreased platelet production Platelet destruction in blood Platelet destruction in spleen Inherited Acquried Demography History Fever Rash Bleeding BP Splenomegaly Jaundice Other signs Plt HB WBC PBS Bone marrow exam PT PTT UA Gold standard Associated findings
Medication/toxicity Antibiotics/

Antiepileptic[33]

  • Occurrence of drug-dependent, platelet-reactive antibodies
+ + + Any
  • Drug ingestion or injection
Nl ↓↓ Nl NA Nl Nl Nl Clinical manifestation + exclusion of the other causes NA
Heparin-induced thrombocytopenia[34]
  • Anti-heparin/PF4 antibody 
+ + Any
  • Heparin injection
  • Necrotic skin lesions
Nl Nl Nl NA Nl Nl Nl ELISA
Cytotoxic chemotherapy[35] + + Patients with malignancy
  • Drug ingestion or injection
  • Cancer
Nl
  • Megakaryocytic hypoplasia or aplasia
Hematuria Clinical manifestation + exclusion of the other causes
Radiation therapy[36] + + Patients with malignancy + Nl
  • Megakaryocytic hypoplasia or aplasia
Hematuria Clinical manifestation + exclusion of the other causes
GI Chronic liver disease[37] + + Any + + + Nl NA Nl Biopsy
Portal hypertension[38] + + Any + + + Nl NA Nl Clinical manifestation
Category Condition Etiology Decreased platelet production Platelet destruction in blood Platelet destruction in spleen Inherited Acquried Demography History Fever Rash Bleeding BP Splenomegaly Jaundice Other signs Plt HB WBC PBS Bone marrow exam PT PTT UA Gold standard Associated findings
Vascular Giant capillary hemangioma (Kasabach-Merritt syndrome)[39][40] + + Infants Intralesional bleeding Nl Visceral hemangiomas ↓↓ ↓↓ Nl Normocytic normochromic erythrocytes and markedly reduced platelets Normal erythropoiesis, myelopoiesis, and megakaryocytic hyperplasia Hematuria Biopsy
  • Kaposiform hemangioendothelioma
  • Tufted angioma
Cardiopulmonary bypass[41] + + Elderly + Nl or ↑ Nl Normocytic normochromic erythrocytes and markedly reduced platelets NA Hematuria Clinical manifestation
Other Alcohol[42] + + + Any Nl + + Cytopenia, macrocytosis Cytopenia, macrocytosis Nl Clinical manifestation
Post-transfusion purpura[43][44] + + Women + ↓↓↓ Nl Nl NA Nl Nl Nl Positive circulating alloantibody to a common platelet antigen
  • Severe but rare reaction
Gestational thrombocytopenia[45]
  • Might be physiologic adaptation of pregnancy
+ Pregnant women
  • Positive history of mild thrombocytopenia
Nl Nl Nl Nl NA Nl Nl Nl Diagnosis of exclusion
  • Self-limited condition
HELLP syndrome[46][47]
  • Unknown
+ + Pregnant > 25 years + + Nl Schistocytes NA Nl Nl Proteinuria Lab abnormalities
Idiopathic cyclic thrombocytopenia[48] + + + Females with the median age of onset 35 years
  • Misdiagnosed as ITP with uniformly poor responses
Minor mucocutaneous bleeding Nl Nl Nl Reduced platelets and megakaryocytes Megakaryocytic hypoplasia or aplasia Nl Nl Nl Diagnosis of exclusion
Pseudothrombocytopenia[49] + Rare Collected sample in EDTA anticoagulant Nl Nl Nl Low platelet count and platelet clumps Low platelet count and platelet clumps Nl Nl Nl Repeat collecting sample in a heparin tube Nl
Category Condition Etiology Decreased platelet production Platelet destruction in blood Platelet destruction in spleen Inherited Acquried Demography History Fever Rash Bleeding BP Splenomegaly Jaundice Other signs Plt HB WBC PBS Bone marrow exam PT PTT UA Gold standard Associated findings

References

  1. Natelson, Ethan A.; Pyatt, David (2013). "Acquired Myelodysplasia or Myelodysplastic Syndrome: Clearing the Fog". Advances in Hematology. 2013: 1–11. doi:10.1155/2013/309637. ISSN 1687-9104.
  2. Townsley, Danielle M.; Desmond, Ronan; Dunbar, Cynthia E.; Young, Neal S. (2013). "Pathophysiology and management of thrombocytopenia in bone marrow failure: possible clinical applications of TPO receptor agonists in aplastic anemia and myelodysplastic syndromes". International Journal of Hematology. 98 (1): 48–55. doi:10.1007/s12185-013-1352-6. ISSN 0925-5710.
  3. Oshima, Yasuo; Yuji, Koichiro; Tanimoto, Tetsuya; Hinomura, Yasushi; Tojo, Arinobu (2013). "Association between Acute Myelogenous Leukemia and Thrombopoietin Receptor Agonists in Patients with Immune Thrombocytopenia". Internal Medicine. 52 (19): 2193–2201. doi:10.2169/internalmedicine.52.0324. ISSN 0918-2918.
  4. Oshima Y, Yuji K, Tanimoto T, Hinomura Y, Tojo A (2013). "Association between acute myelogenous leukemia and thrombopoietin receptor agonists in patients with immune thrombocytopenia". Intern. Med. 52 (19): 2193–201. PMID 24088751.
  5. Brodsky RA (2014). "Paroxysmal nocturnal hemoglobinuria". Blood. 124 (18): 2804–11. doi:10.1182/blood-2014-02-522128. PMC 4215311. PMID 25237200.
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