Parasite and Fungi fun facts Flashcards
Latex agglutination for antigen
Cryptococcosis
Complement fixation or immunodiffusion for antibody
coccidiodomycosis
enzyme immunoassay for antigen
Histoplasmosis
EIA for galactomannan Ag
Aspergillosis
nephrotoxicity
Amphotericin B
changes in light perception
voriconazole
Binds to ergosterol
Polyenes (amphotericin)
Inhibits lanosterol 14alpha-demethlyase cytochrome P-450 dependent enzymes
Azoles
blocks synthesis of beta-1.3-dglucan effective for aspergillus and candida
Echinocandins-__________fungin
5-FC deaminated to 5-Fu inhibition of DNA and RNA synthesis
Antimetabolites-flucytosine
Wood lamp-yellow
Pityriasis/Tinea Versicolor- Malassezia furfur
olive oil culture with spaghetti and meatballs as result
pityriasis/tinea versicolor-malassezia furfur
whitfield ointment
Tinea nigra
Positive hair perforation
Trichophyton mentagrophytes
negative hair perforation
Trichophyton rubrum
daisy petal culture
Lymphocutaneous sporotrichosis-sporothrix schenckii
copper pennies culture
chromoblastomycosis-cladosporium, fonsecaea pedrosoi
Squamous cell carcinoma differential diagnosis
chrmoblastomycosis-cladosporium, fonsecaea pedrosoi
serosanguineous fluid with visible granules from sinus tracts
eumycotic mycetoma
surgical excision of cyst for diagnosis
Subcutaneous phaeohyphomycosis
Fontana-Masson stain for melanin
Subcutaneous phaeohyphomycosis
spherules in alveoli
Coccidiodomycosis
barrel shaped arthroconidia
Coccidiodomycosis
Only in California
Coccidiodomycosis immitis
Coin lesion
Blastomycosis, histoplasmosis, coccidiodomycosis
Mariener’s wheel
Paracoccidiodomycosis
serologic testing in blood and urine
Histoplasmosis