Fungi Flashcards
Malassezia furfur
pityriasis versicolor
exophiala werneckii
tinea nigra
microsporum species
trichophyton species
epidermophyton floccosum
dermatophytosis: tinea corporis (ring worm) tinea cruris (jock itch) tinea pedis (athletes foot) tinea capitis (scalp) tinea ungiuim (onychomycosis)
sporothrix schenckii
sporotrichosis:
subcutaneous nodule at site of rose thorn prick. becomes necrotic and ulcerates. heals and other nodules pop up along lymph tracts
phialophora verrucosa
cladosprium carrionii
fonsecaea species
chromoblastomycosis:
violet wart-like lesion develops at puncture site. clusters of lesions develop (looks like cauliflower)
coccidioides immitis
coccidioidomycosis:
asx in most
pneumonia
disseminated to lungs skin bones and meninges
histoplasma capsulatum
histoplasmosis:
asx in most
pneumonia (lesions calcify, looks like TB)
disseminated in any organ
blastomyces dermatitidis
blastomycosis:
asx uncommon
pneumonia (rarely calcify)
disseminated (most common) = weight loss, night sweats, lung involvement, and skin ulcers
cryptococcus neoformans
cryptococcus gatti
cryptococcosis:
meningitis (HA, fever, vomiting, neurologic/mental changes)
pneumonia
candida albicans
in normal host: oral thrush vulvovaginal candidiasis diaper rash/in fat folds in immunocompromised host: esophageal thrush multiorgan system failure
aspergillus species
allergic cronchopulmonary aspergillosis = SOB, high fever
aspergilloma = fungus ball, hemoptysis
invasive aspergillosis = necrotizing pneumonia
aflatoxin = liver damage/cancer
rhizopus
rhizomucor
mucor
mucormycosis = starts on nasal mucosa and invades sinus and orbit
actinomyces israelii
gram + rod
eroding abscesses of the mouth lung or GI
nocardia asteriodes
gram + rod
pneumonia
formation of abscesses in the lung kidney and CNS
