Mucormycosis classification: Difference between revisions

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==Overview==
==Overview==
Mucormycosis may be classified according to the [[organ system]] involved including [[brain]], [[lungs]], [[skin]], [[Gastrointestinal tract|GIT]], [[bones]], [[liver]], [[spleen]]. [[Disseminated disease|Disseminated infection]] affects multiple organ systems.
Mucormycosis can be classified according to the [[organ system]] involved including [[brain]], [[lungs]], [[skin]], [[Gastrointestinal tract|GIT]], [[bones]], [[liver]], [[spleen]]. [[Disseminated disease|Disseminated infection]] affects multiple organ systems.


==Classification==
==Classification==
Mucormycosis may be classified based on the [[organ system]] involvement as follows:
Mucormycosis may be classified based on the [[organ system]] involvement as follows:
{| class="wikitable"
{| class="wikitable"
!Type
! align="center" style="background:#4479BA; color: #FFFFFF;" + |Type
!Transmission
! align="center" style="background:#4479BA; color: #FFFFFF;" + |High risk group
!Signs and Symptoms
! align="center" style="background:#4479BA; color: #FFFFFF;" + |Transmission
!Complications
! align="center" style="background:#4479BA; color: #FFFFFF;" + |Signs and Symptoms
! align="center" style="background:#4479BA; color: #FFFFFF;" + |Complications
|-
|-
|Rhinocerebral mucormycosis
|Rhinocerebral mucormycosis
|
|
* Rhinocerebral mucormycosis is by far the most common form of the disease. It occurs most commonly in debilitated patients (specially those presenting with [[diabetic ketoacidosis]])<ref name="urlRhinocerebral mucormycosis: Predisposing factors - Mcnulty - 1982 - The Laryngoscope - Wiley Online Library">{{cite web |url=http://onlinelibrary.wiley.com/doi/10.1288/00005537-198910000-00006/full |title=Rhinocerebral mucormycosis: Predisposing factors - Mcnulty - 1982 - The Laryngoscope - Wiley Online Library |format= |work= |accessdate=}}</ref> and those undergoing [[hematopoietic stem cell]] [[transplantation]]<ref name="urlEpidemiology and Outcome of Mould Infections in Hematopoietic Stem Cell Transplant Recipients | Clinical Infectious Diseases | Oxford Academic">{{cite web |url=https://academic.oup.com/cid/article/34/7/909/316117/Epidemiology-and-Outcome-of-Mould-Infections-in |title=Epidemiology and Outcome of Mould Infections in Hematopoietic Stem Cell Transplant Recipients &#124; Clinical Infectious Diseases &#124; Oxford Academic |format= |work= |accessdate=}}</ref>
*It occurs most commonly in debilitated patients (specially those presenting with [[diabetic ketoacidosis]])<ref name="urlRhinocerebral mucormycosis: Predisposing factors - Mcnulty - 1982 - The Laryngoscope - Wiley Online Library">{{cite web |url=http://onlinelibrary.wiley.com/doi/10.1288/00005537-198910000-00006/full |title=Rhinocerebral mucormycosis: Predisposing factors - Mcnulty - 1982 - The Laryngoscope - Wiley Online Library |format= |work= |accessdate=}}</ref> and those undergoing [[hematopoietic stem cell]] [[transplantation]]<ref name="urlEpidemiology and Outcome of Mould Infections in Hematopoietic Stem Cell Transplant Recipients | Clinical Infectious Diseases | Oxford Academic">{{cite web |url=https://academic.oup.com/cid/article/34/7/909/316117/Epidemiology-and-Outcome-of-Mould-Infections-in |title=Epidemiology and Outcome of Mould Infections in Hematopoietic Stem Cell Transplant Recipients &#124; Clinical Infectious Diseases &#124; Oxford Academic |format= |work= |accessdate=}}</ref>
|
* Rhinocerebral mucormycosis is by far the most common form of the disease.
* Acquired by:
* Acquired by:
** Perineural spread
** Perineural spread<ref name="pmid17667114">{{cite journal |vauthors=Margo CE, Linden C, Strickland-Marmol LB, Denietolis AL, McCaffrey JC, Kirk N |title=Rhinocerebral mucormycosis with perineural spread |journal=Ophthal Plast Reconstr Surg |volume=23 |issue=4 |pages=326–7 |year=2007 |pmid=17667114 |doi=10.1097/IOP.0b013e318070855b |url=}}</ref>
** After proliferation in the nasal cavity, the mucor reaches the pterygo-palatine fossa, inferior orbital fissure and finally the retroglobal space of the orbit, leading to ocular signs
** After proliferation in the [[nasal cavity]], the [[Mucoraceae|mucor]] reaches the pterygo-palatine fossa, [[inferior orbital fissure]] and finally the retroglobal space of the orbit, leading to [[ocular]] signs
** The facial soft tissues, palate and infratemporal fossa can be infected through connecting pathways from the pterygo-palatine fossa
** The [[facial]] [[Soft tissue|soft tissues]], [[palate]] and [[infratemporal fossa]] can be infected through connecting pathways from the pterygo-palatine fossa<ref name="pmid15891927">{{cite journal |vauthors=Hosseini SM, Borghei P |title=Rhinocerebral mucormycosis: pathways of spread |journal=Eur Arch Otorhinolaryngol |volume=262 |issue=11 |pages=932–8 |year=2005 |pmid=15891927 |doi=10.1007/s00405-005-0919-0 |url=}}</ref>
|
|
* [[eye]] or [[facial]] pain  
* [[Eye]] or [[facial]] pain  
* [[facial]] [[numbness]]  
* [[Facial]] [[numbness]]  
* Facial ulceration and necrosis
* [[Facial]] [[ulceration]] and [[necrosis]]
* [[conjunctival injection]]
* [[Red eye (medicine)|Conjunctival injection]]
* [[Blurred vision|Blurry vision]]
* [[Blurry vision]]
* [[soft tissue]] [[swelling]]<ref name="pmid14723256">{{cite journal |vauthors=Khor BS, Lee MH, Leu HS, Liu JW |title=Rhinocerebral mucormycosis in Taiwan |journal=J Microbiol Immunol Infect |volume=36 |issue=4 |pages=266–9 |year=2003 |pmid=14723256 |doi= |url=}}</ref> <ref name="urlRhinocerebral Mucormycosis: Evolution of the Disease and Treatment Options - Peterson - 1997 - The Laryngoscope - Wiley Online Library">{{cite web |url=http://onlinelibrary.wiley.com/doi/10.1097/00005537-199707000-00004/full |title=Rhinocerebral Mucormycosis: Evolution of the Disease and Treatment Options - Peterson - 1997 - The Laryngoscope - Wiley Online Library |format= |work= |accessdate=}}</ref>
* [[Soft tissue]] [[swelling]]<ref name="pmid14723256">{{cite journal |vauthors=Khor BS, Lee MH, Leu HS, Liu JW |title=Rhinocerebral mucormycosis in Taiwan |journal=J Microbiol Immunol Infect |volume=36 |issue=4 |pages=266–9 |year=2003 |pmid=14723256 |doi= |url=}}</ref> <ref name="urlRhinocerebral Mucormycosis: Evolution of the Disease and Treatment Options - Peterson - 1997 - The Laryngoscope - Wiley Online Library">{{cite web |url=http://onlinelibrary.wiley.com/doi/10.1097/00005537-199707000-00004/full |title=Rhinocerebral Mucormycosis: Evolution of the Disease and Treatment Options - Peterson - 1997 - The Laryngoscope - Wiley Online Library |format= |work= |accessdate=}}</ref>
* [[bilateral]] [[proptosis]]
* [[Bilateral]] [[proptosis]]
* [[chemosis]]
* [[Chemosis]]
* [[vision loss]]
* [[Vision loss]]
* [[ophthalmoplegia]]
* [[Ophthalmoplegia]]
* [[cavernous sinus thrombosis]]
* [[Cavernous sinus thrombosis]]
* Bloody [[nasal discharge]] may be the first sign that [[infection]] has invaded through the [[turbinates]] and into the [[brain]]
* Bloody [[nasal discharge]] may be the first sign that [[infection]] has invaded through the [[turbinates]] and into the [[brain]]
|
|
* Disseminated infection
* [[Disseminated disease|Disseminated infection]]


* Mycotic aneurysms
* [[Mycotic]] [[Aneurysm|aneurysms]]
|-
|-
|Pulmonary mucormycosis
|[[Pulmonary]] mucormycosis
|
|
* Most commonly occurs in [[Neutropenia|neutropenic]] and [[stem cell transplant]] patients<sup>[[Mucormycosis classification#cite note-pmid8504272-5|[5]]]</sup>
* Most commonly occurs in [[Neutropenia|neutropenic]] and [[stem cell transplant]] patients<sup>[[Mucormycosis classification#cite note-pmid8504272-5|[5]]]</sup>
 
|
* Acquired by:
* Acquired by:
** Inhalation
** Inhalation
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** Lymphatic spread
** Lymphatic spread
|
|
* [[dyspnea]]
* [[Dyspnea]]
* [[cough]]
* [[Cough]]
* [[chest pain]]
* Chest pain  
* [[hemoptysis]] (if there is [[Blood vessel|vessel]] involvement through [[vascular]] invasion)<ref name="pmid8166512">{{cite journal |vauthors=Tedder M, Spratt JA, Anstadt MP, Hegde SS, Tedder SD, Lowe JE |title=Pulmonary mucormycosis: results of medical and surgical therapy |journal=Ann. Thorac. Surg. |volume=57 |issue=4 |pages=1044–50 |year=1994 |pmid=8166512 |doi= |url=}}</ref>
* [[Hemoptysis]] (if there is [[Blood vessel|vessel]] involvement through [[vascular]] invasion)<ref name="pmid8166512">{{cite journal |vauthors=Tedder M, Spratt JA, Anstadt MP, Hegde SS, Tedder SD, Lowe JE |title=Pulmonary mucormycosis: results of medical and surgical therapy |journal=Ann. Thorac. Surg. |volume=57 |issue=4 |pages=1044–50 |year=1994 |pmid=8166512 |doi= |url=}}</ref>
|
|
* Disseminated infection<ref name="urlImproved Outcome of Zygomycosis in Patients with Hematological Diseases?: Leukemia & Lymphoma: Vol 45, No 7">{{cite web |url=http://www.tandfonline.com/doi/abs/10.1080/10428190310001653691 |title=Improved Outcome of Zygomycosis in Patients with Hematological Diseases?: Leukemia & Lymphoma: Vol 45, No 7 |format= |work= |accessdate=}}</ref>
* [[Disseminated disease|Disseminated infection]]<ref name="urlImproved Outcome of Zygomycosis in Patients with Hematological Diseases?: Leukemia & Lymphoma: Vol 45, No 7">{{cite web |url=http://www.tandfonline.com/doi/abs/10.1080/10428190310001653691 |title=Improved Outcome of Zygomycosis in Patients with Hematological Diseases?: Leukemia & Lymphoma: Vol 45, No 7 |format= |work= |accessdate=}}</ref>
|-
|-
|Cutaneous mucormycosis
|[[Cutaneous]] mucormycosis
|
 
|
|
* Acquired by disruption of the physiologic [[skin]] barrier:
* Acquired by disruption of the physiologic [[skin]] barrier:
Line 69: Line 74:
* Skin ulceration and necrosis
* Skin ulceration and necrosis
|
|
* Disseminated infection<ref name="urlGangrenous Cutaneous Mucormycosis in a Child with a Solid Organ Transplant: A Case Report and Review of the Literature - Boyd - 2003 - Pediatric Dermatology - Wiley Online Library">{{cite web |url=http://onlinelibrary.wiley.com/doi/10.1046/j.1525-1470.2003.20508.x/full |title=Gangrenous Cutaneous Mucormycosis in a Child with a Solid Organ Transplant: A Case Report and Review of the Literature - Boyd - 2003 - Pediatric Dermatology - Wiley Online Library |format= |work= |accessdate=}}</ref>
* [[Disseminated disease|Disseminated infection]]<ref name="urlGangrenous Cutaneous Mucormycosis in a Child with a Solid Organ Transplant: A Case Report and Review of the Literature - Boyd - 2003 - Pediatric Dermatology - Wiley Online Library">{{cite web |url=http://onlinelibrary.wiley.com/doi/10.1046/j.1525-1470.2003.20508.x/full |title=Gangrenous Cutaneous Mucormycosis in a Child with a Solid Organ Transplant: A Case Report and Review of the Literature - Boyd - 2003 - Pediatric Dermatology - Wiley Online Library |format= |work= |accessdate=}}</ref>
|-
|-
|Gastrointestinal mucormycosis
|[[Gastrointestinal]] mucormycosis
|
*Usually found in [[malnourished]] individuals, [[AIDS]] patients, [[SLE]] patients, <ref name="urlwww.nature.com">{{cite web |url=https://www.nature.com/ajg/journal/v93/n8/pdf/ajg1998307a.pdf |title=www.nature.com |format= |work= |accessdate=}}</ref> [[organ transplant]] recepients,<ref name="urlGASTRIC PERFORATION DUE TO MUCORMYCOSIS AFTER HEART-LUNG AND... : Transplantation">{{cite web |url=http://journals.lww.com/transplantjournal/Abstract/1998/10150/Gastric_Perforation_Due_To_Mucormycosis_After.21.aspx |title=GASTRIC PERFORATION DUE TO MUCORMYCOSIS AFTER HEART-LUNG AND... : Transplantation |format= |work= |accessdate=}}</ref> [[Infant|infants]] and children
|
|
* Rare occurrence  
* Rare occurrence  
* Usually found in [[malnourished]] individuals, [[AIDS]] patients, [[SLE]] patients, <ref name="urlwww.nature.com">{{cite web |url=https://www.nature.com/ajg/journal/v93/n8/pdf/ajg1998307a.pdf |title=www.nature.com |format= |work= |accessdate=}}</ref> [[organ transplant]] recepients,<ref name="urlGASTRIC PERFORATION DUE TO MUCORMYCOSIS AFTER HEART-LUNG AND... : Transplantation">{{cite web |url=http://journals.lww.com/transplantjournal/Abstract/1998/10150/Gastric_Perforation_Due_To_Mucormycosis_After.21.aspx |title=GASTRIC PERFORATION DUE TO MUCORMYCOSIS AFTER HEART-LUNG AND... : Transplantation |format= |work= |accessdate=}}</ref> [[Infant|infants]] and children
* Acquired by:
* Acquired by:
** Ingestion of Fungi
** Ingestion of [[Fungus|Fungi]]
|
|
* [[abdominal]] distension
* [[Abdomen|Abdominal]] distension
* [[pain]]
* [[Pain]]
* [[nausea]]
* [[Nausea]]
* [[vomiting]]
* [[Vomiting]]
* [[hematochezia]].
* [[Hematochezia]]
|
|
* Disseminated infection
* [[Disseminated disease|Disseminated infection]]
|-
|-
|Disseminated mucormycosis
|[[Disseminated disease|Disseminated]] mucormycosis
|
*Patients on [[Immunosuppressive drug|immunosupressants]] and [[Antifungal drug|anti-fungal]] [[prophylaxis]] (escpecially [[voriconazole]]) are particularly susceptible to [[Disseminated disease|disseminated infection]]<ref name="urlZygomycosis in neutropenic patients with past Aspergillus infection: a role for posaconazole? - Ide - 2004 - Clinical Microbiology and Infection - Wiley Online Library">{{cite web |url=http://onlinelibrary.wiley.com/doi/10.1111/j.1469-0691.2004.00945.x/full |title=Zygomycosis in neutropenic patients with past Aspergillus infection: a role for posaconazole? - Ide - 2004 - Clinical Microbiology and Infection - Wiley Online Library |format= |work= |accessdate=}}</ref><ref name="urlBreakthrough Fungal Infections in Stem Cell Transplant Recipients Receiving Voriconazole | Clinical Infectious Diseases | Oxford Academic">{{cite web |url=https://academic.oup.com/cid/article/39/5/743/364418/Breakthrough-Fungal-Infections-in-Stem-Cell |title=Breakthrough Fungal Infections in Stem Cell Transplant Recipients Receiving Voriconazole &#124; Clinical Infectious Diseases &#124; Oxford Academic |format= |work= |accessdate=}}</ref>
|
|
* Patients on [[Immunosuppressive drug|immunosupressants]] and [[Antifungal drug|anti-fungal]] [[prophylaxis]] (escpecially [[voriconazole]]) are particularly susceptible to [[Disseminated disease|disseminated infection]]<ref name="urlZygomycosis in neutropenic patients with past Aspergillus infection: a role for posaconazole? - Ide - 2004 - Clinical Microbiology and Infection - Wiley Online Library">{{cite web |url=http://onlinelibrary.wiley.com/doi/10.1111/j.1469-0691.2004.00945.x/full |title=Zygomycosis in neutropenic patients with past Aspergillus infection: a role for posaconazole? - Ide - 2004 - Clinical Microbiology and Infection - Wiley Online Library |format= |work= |accessdate=}}</ref><ref name="urlBreakthrough Fungal Infections in Stem Cell Transplant Recipients Receiving Voriconazole | Clinical Infectious Diseases | Oxford Academic">{{cite web |url=https://academic.oup.com/cid/article/39/5/743/364418/Breakthrough-Fungal-Infections-in-Stem-Cell |title=Breakthrough Fungal Infections in Stem Cell Transplant Recipients Receiving Voriconazole &#124; Clinical Infectious Diseases &#124; Oxford Academic |format= |work= |accessdate=}}</ref>
* Acquired by:
* Acquired by:
** Hematogenous spread is usually the most common route of [[Disseminated disease|dissemination]] and [[Lung|pulmonary]] mucormycosis is usually the culprit
** Hematogenous spread is usually the most common route of [[Disseminated disease|dissemination]] and [[Lung|pulmonary]] mucormycosis is usually the culprit
|
|
* [[Brain]] is the most common site of [[Disseminated disease|dissemination]] leading to:
* [[Brain]] is the most common site of [[Disseminated disease|dissemination]] leading to:
** Seizures
** [[Seizure|Seizures]]
** Stroke
** [[Stroke]]
** Paralysis
** [[Paralysis]]
** Abscess formation
** [[Abscess]] formation
* Splenic infarction
* [[Spleen|Splenic]] [[infarction]]
* Myocardial necrosis
* [[Myocardial]] [[necrosis]]
* [[liver]]
* [[liver]]
* [[skin]]
* [[skin]]
|
|
* High case fatality rate<ref name="pmid13984484">{{cite journal |vauthors=STRAATSMA BR, ZIMMERMAN LE, GASS JD |title=Phycomycosis. A clinicopathologic study of fifty-one cases |journal=Lab. Invest. |volume=11 |issue= |pages=963–85 |year=1962 |pmid=13984484 |doi= |url=}}</ref>
* High [[case fatality rate]]<ref name="pmid13984484">{{cite journal |vauthors=STRAATSMA BR, ZIMMERMAN LE, GASS JD |title=Phycomycosis. A clinicopathologic study of fifty-one cases |journal=Lab. Invest. |volume=11 |issue= |pages=963–85 |year=1962 |pmid=13984484 |doi= |url=}}</ref>
|}
|}


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{{WH}}
{{WH}}
{{WS}}
{{WS}}
[[Category:Emergency mdicine]]
[[Category:Disease]]
[[Category:Up-To-Date]]
[[Category:Infectious disease]]
[[Category:Gastroenterology]]
[[Category:Otolaryngology]]
[[Category:Nephrology]]
[[Category:Dermatology]]
[[Category:Pulmonology]]

Latest revision as of 22:45, 29 July 2020

Mucormycosis Microchapters

Home

Patient Information

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Mucormycosis from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Diagnostic Criteria

History and Symptoms

Physical Examination

Laboratory Findings

X Ray

CT

MRI

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Syed Hassan A. Kazmi BSc, MD [2]

Overview

Mucormycosis can be classified according to the organ system involved including brain, lungs, skin, GIT, bones, liver, spleen. Disseminated infection affects multiple organ systems.

Classification

Mucormycosis may be classified based on the organ system involvement as follows:

Type High risk group Transmission Signs and Symptoms Complications
Rhinocerebral mucormycosis
Pulmonary mucormycosis
  • Acquired by:
    • Inhalation
    • Hematogenous spread
    • Lymphatic spread
Cutaneous mucormycosis
  • Skin redness
  • Numbness
  • Warmth
  • Skin ulceration and necrosis
Gastrointestinal mucormycosis
  • Rare occurrence
  • Acquired by:
Disseminated mucormycosis
  • Acquired by:
    • Hematogenous spread is usually the most common route of dissemination and pulmonary mucormycosis is usually the culprit

References

  1. ↑ "Rhinocerebral mucormycosis: Predisposing factors - Mcnulty - 1982 - The Laryngoscope - Wiley Online Library".
  2. ↑ "Epidemiology and Outcome of Mould Infections in Hematopoietic Stem Cell Transplant Recipients | Clinical Infectious Diseases | Oxford Academic".
  3. ↑ Margo CE, Linden C, Strickland-Marmol LB, Denietolis AL, McCaffrey JC, Kirk N (2007). "Rhinocerebral mucormycosis with perineural spread". Ophthal Plast Reconstr Surg. 23 (4): 326–7. doi:10.1097/IOP.0b013e318070855b. PMID 17667114.
  4. ↑ Hosseini SM, Borghei P (2005). "Rhinocerebral mucormycosis: pathways of spread". Eur Arch Otorhinolaryngol. 262 (11): 932–8. doi:10.1007/s00405-005-0919-0. PMID 15891927.
  5. ↑ Khor BS, Lee MH, Leu HS, Liu JW (2003). "Rhinocerebral mucormycosis in Taiwan". J Microbiol Immunol Infect. 36 (4): 266–9. PMID 14723256.
  6. ↑ "Rhinocerebral Mucormycosis: Evolution of the Disease and Treatment Options - Peterson - 1997 - The Laryngoscope - Wiley Online Library".
  7. ↑ Tedder M, Spratt JA, Anstadt MP, Hegde SS, Tedder SD, Lowe JE (1994). "Pulmonary mucormycosis: results of medical and surgical therapy". Ann. Thorac. Surg. 57 (4): 1044–50. PMID 8166512.
  8. ↑ "Improved Outcome of Zygomycosis in Patients with Hematological Diseases?: Leukemia & Lymphoma: Vol 45, No 7".
  9. ↑ "Cutaneous Rhizopus Infection | JAMA | The JAMA Network".
  10. ↑ "Gangrenous Cutaneous Mucormycosis in a Child with a Solid Organ Transplant: A Case Report and Review of the Literature - Boyd - 2003 - Pediatric Dermatology - Wiley Online Library".
  11. ↑ "www.nature.com" (PDF).
  12. ↑ "GASTRIC PERFORATION DUE TO MUCORMYCOSIS AFTER HEART-LUNG AND... : Transplantation".
  13. ↑ "Zygomycosis in neutropenic patients with past Aspergillus infection: a role for posaconazole? - Ide - 2004 - Clinical Microbiology and Infection - Wiley Online Library".
  14. ↑ "Breakthrough Fungal Infections in Stem Cell Transplant Recipients Receiving Voriconazole | Clinical Infectious Diseases | Oxford Academic".
  15. ↑ STRAATSMA BR, ZIMMERMAN LE, GASS JD (1962). "Phycomycosis. A clinicopathologic study of fifty-one cases". Lab. Invest. 11: 963–85. PMID 13984484.

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