dermatophytosis Flashcards
1
Q
location
A
head: tinea capitis
body: t.corporis
genitals: t.cruris
hand: t.manuum
feet: t.pedis
chest:t.imbricata —humid regions
2
Q
Specimens
A
❖ Skin scrapings
❖ Nail
❖ Hair
3
Q
Microscopy
A
KOH mount – hyphal elements
LP mount – macro conidia n microcondia
4
Q
Trichophyton
A
macroconidia:Rare, thin walled, smooth club shaped or pencil shaped
microconidia:Abundant
5
Q
Microsporum
A
macroconidia:Numerous, thick walled, rough,
Leaf or spindle shaped
Microconidia:Rare
6
Q
Epidermophyton
A
macroconidia: Numerous, smooth walled Club shaped in groups
Microconidia: Absent
7
Q
Culture:
A
▪ SDA – velvetty colonies
▪ DTM medium – Isolate and distinguish
dermatophytes spp.
8
Q
Wood’s lamp
A
Infection of hair:Ectothrix, Endothrix
