SUPERFICIAL MYCOSES Flashcards
fungal agent of Tinea versicolor
Malassezia furfur
other term for Tinea vercolor
Pityriasis versicolor
Fawn colored liver spots or
patches in skin
Tinea versicolor
sample for Tinea versicolor and Tinea nigra
skin scraping
appearance of Tinea versicolor in 10%KOH
spaghetti with meatball appearance
tests used for T. versicolor
- 10% KOH
- SDA with mineral oil (lipophilic oil)
- woods lamp
fungal agent of black piedra
Piedraia hortae
hard, dark brown to black gritty nodules in hair shaft
black piedra
black piedra and white piedra sample
hair
fungal agent of white piedra
Trichosporon spp.
T. asahii
(immunocompromised),
T. mucoides (meningitis)
soft white nodules in hair shaft
white piedra
10% KOH
KNO3
CHO Assimilation (Non-fermenter)
Urease +
white piedra
fungal agent of Tinea nigra
Hortaea werneckii
Brown to black non-scaly
macules that occur most often
on palms and soles
Tinea nigra