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9 Cards in this Set
- Front
- Back
what is a charac of ppl who get fungal infections?
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immunocompromised
(ex: neutropenia, corticosteroid tx) |
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what 2 fungi usually cause zygomycosis?
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zygomycosis:fungal disease of skin, sinuses or GI
Rhizopus Mucor |
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what is rhinocerebral mucormycosis?
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life-threatening form of zygomycosis
sinus infection spreads to orbit, palate and brain seen in ppl with diabetic ketoacidosis |
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which species are assoc with invading blood vessels?
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Aspergillus and Zygomcetes spp
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transmission of mucormycosis?
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inhalation of sporangiospores (sac of spores)
abundant in nature immunocompromised |
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what are clinical maifestations of mucormycosis in the thorax?
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pulmonary lesions and parenchymal necrosis
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diagnosis of rhizopus in zygomycosis?
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sputum sample-> microscope ID (KOH)
*nonseptate sporangium (bulb), branching at right angles ribbon-like, COENOCYTIC hyphae with ROOTS (not in mucor) |
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what type of agar is used for culture?
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SDA-sbouraud's dextrose agar (cotton candy)
MYC-mycosel agar: selective b/c has antibiotics to prevent bacterial growth |
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tx of zygomucosis
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early diagnosis and tx
*Amphotericin B treat as lethal disease |