Micro: Fungus/Parasites Flashcards
Fungal classification of C. neoformans and Aspergillus
C. neoformans: Yeast
Aspergillus: Mold
Main fungal infection in AIDS patients.
Cryptococcus neoformans
Name the 4 dimorphic fungi
Can Have Both Shapes
- Coccidioides immitis
- Histoplasma capsulatum
- Blastomyces dermatitidis
- Sporothrix (not important for this topic)
India Ink Stain
C. neoformans
Pigeon and bird poop
C. neoformans
Treatment for C. neoformans infection
Amphotericin B + flucytosine
4-6 weeks for immunocompetant
10 weeks for immunocompromised
AIDS patients also need fluconazole for life
Spherules
Coccidioides immitis
-desert southwest and valley fever
Bird and Bat droppings, Ohio River valley
Histoplasma capsulatum
Broad based budding yeast
Blastomyces dermatitidis
Fresh water, neti pot
Naegleria fowleri
Primary amoebic meningoencephalitis (PAM)
Unique symptom of N. fowleri
Altered sense of smell
Diagnosis of N. Fowleri
usually a wet mount prep on autopsy
Contact lenses, Granulomatous amoebic encephalitis
Acanthamoeba sp.
Bug that causes malaria.
Plasmodium falciparum
Diagnostic form of malaria
Gametocyte stage
-cells look like a boomerang is inside them
