BSC 431 Lecture Notes - Lecture 29: Arthropod, Amputation, Chromoblastomycosis
22 Mar 2016
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Occurs worldwide but most prevalent in young adults in tropical and subtropical areas. Chronic infection that leads to hypopigmented or hyperpigmented skin. Most often affects chest, back, arms, face, neck. W/ sunlight exposure, skin around the patches will tan, patches don"t. Diagnosis via microscopy of epidermal scaes reveals short infrequently branched hyphae w/ budding yeast cells (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) Occurs in tropical or subtropical areas, prevalent in africa, asia, Traumatic inoculation, children and young adults (higher incidence in females) (cid:1) Dark brown to black painless solitary patches on the soles of the feet, palms, face (cid:1) (cid:1) (cid:1) (cid:1) Easily diagnosed via micrscopy of skin scrapings in koh. Responds well to topical therapy (cid:1) (cid:1) (cid:1) White piedra is a superficial infection of hair caused by trichosporon species (cid:1) (cid:1) Generally affects hairs of the groin and armpits. Black piedra is a superficial infection of the hair on the scalp caused by.
