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slideB1-10 9.14.37 PM - Dermatophytosis and Superficial...

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1 Dermatophytosis and Superficial Mycoses Microsporum Trichophyton Epidermophyton Malassezia furfur P. werneckii Piedraia hortae Trichosporon beigelii Dermatophytes Superficial Mycoses
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Mycoses of Skin, Hair, and Nails Mycoses of skin, hair, and nails are grouped according to which layers are affected and clinical manifestations Superficial mycoses are fungal infections of the outermost keratinized (cornfield?) layers of the skin or hair shaft resulting in essentially no pathological changes. No cellular immune response in elicited & minimal humoral host response - IgA These mycoses are largely cosmetic involving skin pigmentation or forming nodules along distal hair shafts – often asymptomatic & host is unaware
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Mycoses of Skin, Hair, and Nails The superficial mycoses are: Malassezia furfur tinea versicolor (seborrhea?, dandruff?) Phaeoannelomyces werneckii tinea nigra Piedraia hortae black piedra Trichosporon beigelii white piedra *Dermatophytosis involve deeper layers of skin, hair, and nails
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slideB1-10 9.14.37 PM - Dermatophytosis and Superficial...

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