Entomophthoromycotina: Difference between revisions
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== Background == |
== Background == |
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=== Microbiology === |
=== Microbiology === |
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* Caused by ''[[Is caused by::Basidiobolus ranarum]]'', which leads to subcutaneous zygomycosis, or ''[[Is caused by::Conidiobolus coronatus]]'', which causes chronic rhinofacial zygomycosis |
* Caused by ''[[Is caused by::Basidiobolus ranarum]]'', which leads to subcutaneous zygomycosis, or ''[[Is caused by::Conidiobolus coronatus]]'', which causes chronic rhinofacial zygomycosis |
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=== Epidemiology === |
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* Basidiobolus lives in the intestines of many amphibians i.e. frogs, toads, salamanders, often in their feces as well as decaying fruits and soil. Tropical and subtropical but expanding into US. |
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* Conidiobolus more common in India, Asia, and Saudi Arabia |
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== Diagnosis == |
== Diagnosis == |
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Revision as of 13:13, 19 March 2020
- Cutaneous infection caused by Basidiobolus and Conidiobolus
Background
Microbiology
- Caused by Basidiobolus ranarum, which leads to subcutaneous zygomycosis, or Conidiobolus coronatus, which causes chronic rhinofacial zygomycosis
Epidemiology
- Basidiobolus lives in the intestines of many amphibians i.e. frogs, toads, salamanders, often in their feces as well as decaying fruits and soil. Tropical and subtropical but expanding into US.
- Conidiobolus more common in India, Asia, and Saudi Arabia
Diagnosis
- Needs tissue and culture for diagnosis
Culture
- On KOH-Calcofluor, shows broad, thin-walled and pauci-septate or aseptate fungus
- Rapid-growing in culture
- Conidiobolus can have “beaked” shape on spores, with a spore that has secondary spores attached to it
- Basidiobolus also has spores with a beak.
Biopsy
- Strong eosinophilic reaction in tissue histopathology.
