Myeloproliferative neoplasm differential diagnosis: Difference between revisions

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* Transfusion support
* Transfusion support
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Age-related changes in the bone marrow contribute to myelodysplastic syndrome
* Age-related changes in the bone marrow contribute to myelodysplastic syndrome
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|Acute myeloid leukemia  
|Acute myeloid leukemia  
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* Sanctuary sites include the central nervous system (CNS) and testes<ref name="pmid23523389">{{cite journal| author=Inaba H, Greaves M, Mullighan CG| title=Acute lymphoblastic leukaemia. | journal=Lancet | year= 2013 | volume= 381 | issue= 9881 | pages= 1943-55 | pmid=23523389 | doi=10.1016/S0140-6736(12)62187-4 | pmc=3816716 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23523389  }} </ref>
* Sanctuary sites include the central nervous system (CNS) and testes<ref name="pmid23523389">{{cite journal| author=Inaba H, Greaves M, Mullighan CG| title=Acute lymphoblastic leukaemia. | journal=Lancet | year= 2013 | volume= 381 | issue= 9881 | pages= 1943-55 | pmid=23523389 | doi=10.1016/S0140-6736(12)62187-4 | pmc=3816716 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23523389  }} </ref>
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|Chronic myeloid leukemia
|Waldenstrom's macroglobulinemia
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* Translocation between chromosomes 9 and 22
* ''MYD88'' mutation
* Creation of BCR-Abl gene product
* Lymphoplasmacytic cell proliferation
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* Elevated [[white blood cell]] count
* Elevated [[immunoglobulin M]] (IgM) [[paraprotein]]
* Presence of [[white blood cell]] precursors at various stages of maturation
* Presence of M-spike on protein electrophoresis
* Presence of excess metamyelocytes, basophils, eosinophils, and band cells
* Elevated serum free light chains (''kappa'' and ''lambda'')
* Increased serum viscosity
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* Hepatomegaly
* Splenomegaly
* Splenomegaly
* Abdominal tenderness
* Retinal vascular dilation and thrombosis
* Pallor
* Decreased visual acuity
* Evidence of infection
* Headache
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* [[Imatinib]]
* [[Rituximab]]
* [[Nilotinib]]
* [[Ibrutinib]]
* [[Dasatinib]]
* [[Plasmapheresis]]
* [[Bosutinib]]
* [[Ponatinib]]
* [[Omacetaxine]]<ref name="pmid24516334">{{cite journal| author=Chen Y, Li S| title=Omacetaxine mepesuccinate in the treatment of intractable chronic myeloid leukemia. | journal=Onco Targets Ther | year= 2014 | volume= 7 | issue=  | pages= 177-86 | pmid=24516334 | doi=10.2147/OTT.S41786 | pmc=3916637 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=24516334  }} </ref>
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* High response rate to tyrosine kinase inhibitors
* ''MYD88'' mutation testing is standard-of-care
* Risk for development of T315I kinase domain mutation
* Plasmapheresis should be initiated if symptoms of hyperviscosity are present
* Typically does not require [[stem cell transplant]]
* Typically does not require [[stem cell transplant]]
* Three phases include chronic, accelerated, and blast phase
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|[[Chronic lymphocytic leukemia]]<ref name="pmid28102226">{{cite journal| author=Kipps TJ, Stevenson FK, Wu CJ, Croce CM, Packham G, Wierda WG et al.| title=Chronic lymphocytic leukaemia. | journal=Nat Rev Dis Primers | year= 2017 | volume= 3 | issue=  | pages= 16096 | pmid=28102226 | doi=10.1038/nrdp.2016.96 | pmc=5336551 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=28102226  }} </ref>
|[[Lymphoproliferative disorder]]<ref name="pmid28102226">{{cite journal| author=Kipps TJ, Stevenson FK, Wu CJ, Croce CM, Packham G, Wierda WG et al.| title=Chronic lymphocytic leukaemia. | journal=Nat Rev Dis Primers | year= 2017 | volume= 3 | issue=  | pages= 16096 | pmid=28102226 | doi=10.1038/nrdp.2016.96 | pmc=5336551 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=28102226  }} </ref>
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* [[Epstein-Barr virus]] (EBV)
* [[Human immunodeficiency virus]] (HIV)
* [[Human T cell lymphotrophic virus-1]] (HTLV-1)
* Post-transplant status ([[post-transplant lymphoproliferative disorder]] (PTLD))
* Chromosomal instability
* Chromosomal instability
* Sporadic mutations
* Sporadic mutations
* Infections
* Rheumatologic disease
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* Elevated absolute lymphocyte count (in all stages)
* Elevated lymphocyte count with presence of clonality
* Presence of >5000 clonal B cells per microliter in peripheral blood
* Anemia
* Anemia (in Rai stage III)
* Thrombocytopenia  
* Thrombocytopenia (in Rai stage IV)
* Neutropenia
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* [[Lymph node enlargement]] in Rai stage I
* [[Lymph node enlargement]]  
* [[Splenomegaly]] in Rai stage II
* [[Splenomegaly]]  
* [[Hepatomegaly]] in Rai stage II
* [[Hepatomegaly]]  
* [[Pallor]]
* [[Bleeding]]
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* Fludarabine
* Variable based on the etiology
* Cyclophosphamide
* Cytotoxic chemotherapy
* Rituximab
* Antiviral agents
* Obinutuzumab<ref name="pmid28182141">{{cite journal| author=Al-Sawaf O, Fischer K, Engelke A, Pflug N, Hallek M, Goede V| title=Obinutuzumab in chronic lymphocytic leukemia: design, development and place in therapy. | journal=Drug Des Devel Ther | year= 2017 | volume= 11 | issue=  | pages= 295-304 | pmid=28182141 | doi=10.2147/DDDT.S104869 | pmc=5279834 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=28182141  }} </ref>
* Biologic therapy with anti-CD20 monoclonal antibodies
* Ofatumumab
* Tapering immunosuppressive medications (for post-transplant lymphoproliferative disorder)
* Ibrutinib
* Venetoclax
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* Associated with [[autoimmune hemolytic anemia]], which occurs in 10-25% of patients with CLL
* Can be due to a variety of causes
* Associated with [[immune thrombocytopenia purpura]]
* Variable prognosis
* Associated with [[pure red cell aplasia]]
* Treatment with corticosteroids or anti-leukemic therapy will correct the autoimmune complications of CLL
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Revision as of 03:49, 10 June 2018

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Mohamad Alkateb, MBBCh [2] Shyam Patel [3]

Overview

Myeloproliferative neoplasm must be differentiated from acute lymphoblastic leukemia, acute myelogenous leukemia, chronic myelogenous leukemia, essential thrombocytosis, hypereosinophilic syndrome, non-Hodgkin lymphoma, primary myelofibrosis, secondary thrombocytosis, splenomegaly, systemic mastocytosis, and waldenstrom macroglobulinemia.

Differentiating Myeloproliferative neoplasm from other Diseases

Characteristic Causes Laboratory abnormalities Physical examination Therapy Other associations
Myelodysplastic syndrome
  • Prior exposure to alkylating agents
  • Prior exposure to topoisomerase II inhibitors
  • Age-related changes in hematopoietic stem cells
  • Deletion of chromosome 5q or 7
  • Gain of chromosome 8
  • Lenalidomide
  • Decitabine
  • Azacitidine
  • Erythropoiesis-stimulating agents (ESAs)
  • Granulocyte colony-stimulating factor (G-CSF)
  • Transfusion support
  • Age-related changes in the bone marrow contribute to myelodysplastic syndrome
Acute myeloid leukemia
  • Chromosomal instability
  • Sporadic mutations
  • Prior exposure to benzene
  • Prior exposure to alkylating agents
  • Prior exposure to topoisomerase II inhibitors
  • Germline RUNX1 mutation
  • Pyrexia
  • Evidence of infection
  • Pallor
  • Mucosal bleeding
  • Bruising
  • Cytarabine
  • Anthracycline
  • Enasidenib
  • Liposomal daunorubicin plus cytarabine
  • Gemtuzumab ozogamycin
  • Midostaurin
  • Stem cell transplant
  • Variable prognosis based on cytogenetic and molecular profile
  • Four new FDA-approved therapies became available in 2017
Acute lymphoblastic leukemia
  • Chromosomal instability
  • Sporadic mutations
  • Anemia
  • Thrombocytopenia
  • Neutropenia
  • Elevated LDH
  • Elevated uric acid
  • Elevated phosphorus
  • Elevated potassium
  • Low calcium
  • Greater than 20% lymphoblasts on bone marrow aspirate
  • Neurologic deficits
  • Pallor
  • Lymphadenopathy
  • HyperCVAD (cyclophosphamide, vincristine, doxorubicin, dexamethasone)[2]
  • R-HyperCVAD (inclusion of rituximab)
  • Peg-asparaginase
  • Intrathecal methotrexate
  • Intrathecal cytarabine
  • Blinatumomab (bispecific T cell engager)
  • Inotuzumab ozogamycin (anti-CD22 antibody)
  • Tisagenlecleucel (chimeric antigen receptor T (CAR-T) cell therapy)
  • Stem cell transplant
  • Sanctuary sites include the central nervous system (CNS) and testes[3]
Waldenstrom's macroglobulinemia
  • MYD88 mutation
  • Lymphoplasmacytic cell proliferation
  • Elevated immunoglobulin M (IgM) paraprotein
  • Presence of M-spike on protein electrophoresis
  • Elevated serum free light chains (kappa and lambda)
  • Increased serum viscosity
  • Hepatomegaly
  • Splenomegaly
  • Retinal vascular dilation and thrombosis
  • Decreased visual acuity
  • Headache
  • MYD88 mutation testing is standard-of-care
  • Plasmapheresis should be initiated if symptoms of hyperviscosity are present
  • Typically does not require stem cell transplant
Lymphoproliferative disorder[4]
  • Elevated lymphocyte count with presence of clonality
  • Anemia
  • Thrombocytopenia
  • Neutropenia
  • Variable based on the etiology
  • Cytotoxic chemotherapy
  • Antiviral agents
  • Biologic therapy with anti-CD20 monoclonal antibodies
  • Tapering immunosuppressive medications (for post-transplant lymphoproliferative disorder)
  • Can be due to a variety of causes
  • Variable prognosis


References

  1. Döhner H, Estey E, Grimwade D, Amadori S, Appelbaum FR, Büchner T; et al. (2017). "Diagnosis and management of AML in adults: 2017 ELN recommendations from an international expert panel". Blood. 129 (4): 424–447. doi:10.1182/blood-2016-08-733196. PMC 5291965. PMID 27895058.
  2. Terwilliger T, Abdul-Hay M (2017). "Acute lymphoblastic leukemia: a comprehensive review and 2017 update". Blood Cancer J. 7 (6): e577. doi:10.1038/bcj.2017.53. PMC 5520400. PMID 28665419.
  3. Inaba H, Greaves M, Mullighan CG (2013). "Acute lymphoblastic leukaemia". Lancet. 381 (9881): 1943–55. doi:10.1016/S0140-6736(12)62187-4. PMC 3816716. PMID 23523389.
  4. Kipps TJ, Stevenson FK, Wu CJ, Croce CM, Packham G, Wierda WG; et al. (2017). "Chronic lymphocytic leukaemia". Nat Rev Dis Primers. 3: 16096. doi:10.1038/nrdp.2016.96. PMC 5336551. PMID 28102226.

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