CUTANEOUS FUNGI Flashcards
Diseases:
TInea diseases
Transmission:
horizontal via direct contact especially in warm damp conditions nurtured by the keratin in skin
microsporum found in dogs and cats
diagnosis: skin/hair/nail scrapings in KOH mold with separated hyphae scrapings in SAB Woods lamp illuminates green fluorescence of Microsporum hair
treatment
topical antifungals
griseofulvin
keep skin cool and dry
dermatophytes
epidermophyton spp
microsporum spp
trichophyton spp
diseases:
pityriasis versicolor
transmission:
commensal yeast
yeast phase into mold with hyphae
diagnosis:
skin scrapings in KOH
yeast form with hyphae mold forms and dimorphic
treatment:
topical azole with relapse
malassezia furfur
disease:
black piedra
transmission:
horizontal via direct contact
diagnosis:
skin scrapings/microscopy show mold hyphae
treatment:
topical salicylic acid
piedraia hyphae
disease:
tinea nigra
transmission:
infection arises due to direct contact, exophiala
diagnosis:
skin scrapings show mold hyphae
treatment:
topical keratolytic agent
topical salicylic acid
hottie werneckii
disease:
white piedra, yellow nodules on axilla, beard and groin hair shafts
transmission:
horizontal via direct contact; sexual contact
diagnosis:
skin scrapings with microscopy show mold hyphae
treatment:
oral ketoconazole
trichosporon cutaneum
