24 - 160 - SUPERFICIAL FUNGAL INFECTION Flashcards
most common cause of dermatophytosis of the skin
Trichophyton rubrum
most common cause of tinea capitis
Trichophyton tonsurans
Knobby antler-like hyphae (favic chandeliers), numerous chlamydoconidia.
Trichophyton schoenleinii
Most specific test for onychomycosis
Culture
Most sensitive test for onychomycosis
PAS examination of nail clippings
Which dermatophytes will produce fluorescence on wood lamp
(+) fluorescence in wood lamp
(+) fluorescence in wood lamp
True/ false. T. Tonsurans which is the most common cause of tinea capitis will not fluoresce on wood lamp.
TRUE
Enumerate dermatophytes with (+) fluorescence:
Microsporum canis, audouinii, distortum, ferrugineum - yellow-green
T. Schoenleinii - blue-gray (favus)