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Skin-nontumor

Infectious disorders

Fungi - Tinea versicolor


Reviewer: Nat Pernick, M.D., PathologyOutlines.com, Inc. (see Reviewers page)
Revised: 24 August 2011, last major update July 2011
Copyright: (c) 2002-2011, PathologyOutlines.com, Inc.

Definition
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● Infection by Malassezia furfur, often of upper trunk (Can Fam Physician 2008;54:1557)

Micro description
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● Variably pigmented macules of all sizes, with orthokeratotic hyperkeratosis, yeast spores and pseudohyphae within stratum corneum
● Short hyphae and spores (“spaghetti and meatballs”) with GMS or PAS stains
● Note: presence of fungi does not rule out coexisting inflammatory and neoplastic disorders

Micro images
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Malassezia furfur

End of Skin-nontumor / Clinical Dermatology > Infectious disorders > Fungi - Tinea versicolor


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