Systemic & Opportunistic mycoses Flashcards
(37 cards)
Thermally dimorphic means
It has a Mold & Yeast phase
Systemic fungi is commonly acquired thru
INHALATION
Examples of systemic fungi
Histoplasma capsulatum Blastomyces dermatitidis Paracoccidioides brasiliensis Coccidioides immitis Talaromyces marneffei Sporothrix schenkii
These are knob-like projections
Tuberculate
The yeast phase of H. capsulatum is often found in
monocytes & macrophages
Most infectious systemic fungi
Coccidiodes immitis
C. immitis should be handled and processed under what BSC
III
The yeast phase of this fungi resembles a Mariner’s wheel
Paracoccidiodes brasiliensis
Non viable ghost cells
disjunctor cells
North American blastomycoses
Blastomycoses dermatitidis
South American blastomycoses
Paracoccidiodes brasiliensis
Formelry Penicillium
Talaromyces marneffei
The size of T. marneffei in tissue phase
3-8um
It has a broad based blastoconidia
Blastomyces dermatitidis
Most are saprobes or saphrophytic
Opportunistic fungi
T. marneffei commonly causes disease in ___ patients
HIV-positive
Examples of Opportunistic fungi
Aspergillus spp. Zygomycetes Fusarium spp. Candida albicans Cryptococcus neoformans Pneumocystis jiroveci
Color of A. fumigatus on SABHI
Green-gray / tan reverse
Color of A.flavus on SABHI
Yellow-green / red-brown reverse
Color of A.niger on SABHI
Yellow-black / cream or buff reverse
Color of A. terreus on SABHI
Tan-cinnamon / yellow reverse
A. terreus is resistant to ___
Amphotericin B
Most common cause of aspergillosis
A. fumigatus
Causes otomycosis
A. niger
