Fungal infections Flashcards
A dimorphic fungi that frequently resides in sebaceous glands. Normal flora of skin, but can be detrimental.
Malassezia furfur
What solvent is often introduced to fungal stains? Why?
KOH to dissolve human cells because human cells have no cell wall. Fungal cells can survive.
How is malassezia diagnosed?
KOH, olive oil, looks like “spaghetti and meatballs”
Ringworm or “tinea” is oftentimes caused by the following three organisms:
Trichophyton
Microsporum
Epidermophyton
Tricophyton is normally associated with tinea of what area?
Foot, moist areas
Microsporum are associated with tinea where?
“hair and skin”
How is epidermophyton different from the other fungal groups?
Lacks microconidia
“Rose gardeners disease” is caused by what organism?
Sporothrix schenckii
What morphological feature is associated with Sporothrix schenckii infection?
inflamed linear lymph nodes
Diaper rash is most commonly caused by this fungus of the normal flora
Candida albicans
Chronic mucocutaneous candiditis can be an indicator of…
T cell dysfunction
