Black Piedra Flashcards
1
Q
Black piedra is a
A
superficial infection of the hair caused by Piedraia hortae, a dematiaceous fungus
2
Q
The fungus occurs in the perfect state when it
A
colonizes the shaft of hairs
3
Q
Culture of specimens on SDA shows
A
slow-growing brown to reddish black mycelium, which is considered asexual or anamorphic stage of the fungus
4
Q
At this state asci, which contain
A
spindle-shaped ascospores, develop within specialized structures.
5
Q
The major clinical feature of black piedra
A
Infection of shaft of hairs of beard and scalp
6
Q
Laboratory diagnosis of the condition is made by
A
demonstration of nodules containing asci with spindle-shaped ascospores in 10% KOH mount of the hair.
