The following organism is isolated from a case of tinea capitis. The organism grew rapidly producing tan mold colonies. This organism is most likely
A) Trichophyton rubrum.
B) Epidermophyton audouinii.
C) Fonsecaea compacta.
D) Microsporum gypseum.

Question

The following organism is isolated from a case of tinea capitis. The organism grew rapidly producing tan mold colonies. This organism is most likely 
A) Trichophyton rubrum. 
B) Epidermophyton audouinii. 
C) Fonsecaea compacta. 
D) Microsporum gypseum.

Quizplus · Accepted Answer

The organism is most likely Microsporum gypseum which is a common cause of tinea capitis and produces tan mold colonies. Trichophyton rubrum and Epidermophyton audouinii are not typically associated with tinea capitis infections. Fonsecaea compacta is a dimorphic fungus that causes chromoblastomycosis, not tinea capitis.

The Following Organism Is Isolated from a Case of Tinea