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tinea versicolor

Friday 3 September 2021


Definition : Infection by Malassezia furfur, often of upper trunk.


- Variably pigmented macules of all sizes,
- orthokeratotic hyperkeratosis
- yeast spores and pseudohyphae within stratum corneum
- Short hyphae and spores (spaghetti and meatballs) with GMS or PAS stains

Differential diagnosis

- presence of fungi does not rule out coexisting inflammatory and neoplastic disorders