Cutaneous fungal infection (dematophytis, Pityriasis versicolor) Flashcards
What is pityriasis versicolor
Fungal infection by M.furfur
called tinea when its around the body and not dark lesion
pityriasis when darker coloured
differntial-vitiligo (usually on hands first_
Aetiology of pityriasis versicolor
High humidity, areas of sebum production
Signs and Sx pityriasis versicolor
usually asymto, or patches that aren’t tanning
can appear as dark spots on white skin,
OR white area on brown skin
very fine small scales, with darker outside rings
Treatment of pityriasis versicolor
Ketoconazole shampoo,
selenium sulphide
Investigations of pityriasis versicolor
Skin scraping, and swab samples but rarely needed
Sx of dermaphytisi
Annular rash anywhere on the body
called tinea + area
usually light inside and dark outside
not always in annular shape
with steroids can get worse-good Hx
candida-erosive area and whitish discharges, looks red and RAW
while tinea more scaly borders–both dermaphytis
Treatments of dermapaphytis
Ketoconazole/itraconazole
or oral fluconazome
terbafine
grisefulvin
what is tine capitis
Fungal infection of the scalp -most common in Children (3-7 year)
very contagion
presents as golden crust in scalp area
dry scale, black dots, hair loss-
treat fast because can cause scarring
take scraping and cultures-then give oral anti-fungals (tubernafine) for 4-6 weeks