Tinea versicolor: A light and electron microscopic study of hyperpigmented skin

Hyperpigmentation in lesions of tinea versicolor has previously been reported to be a result of the effects of the fungus Pityrosporon orbiculare on melanosome formation and distribution. Examination of biopsy specimens from lesions of hyperpigmented tinea versicolor involving vitiliginous skin reve...

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Bibliographic Details
Published inJournal of the American Academy of Dermatology Vol. 12; no. 1; pp. 37 - 44
Main Authors Dotz, Warren I., Henrikson, Donald M., Yu, Gloria S.M., Galey, Carolyn I.
Format Journal Article
LanguageEnglish
Published New York, NY Mosby, Inc 1985
Elsevier
Subjects
Aged
Biological and medical sciences
Human mycoses
Humans
Infectious diseases
Male
Medical sciences
Microscopy
Microscopy, Electron
Mycoses
Mycoses of the skin
Skin Pigmentation
Tinea Versicolor - complications
Tinea Versicolor - pathology
Vitiligo - complications
Vitiligo - pathology
Infection
Human
Pathology
Skin disease
Pigmentation disorder
Mycosis
Hypermelanosis
Skin
Electron microscopy
Pityriasis versicolor
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Summary:Hyperpigmentation in lesions of tinea versicolor has previously been reported to be a result of the effects of the fungus Pityrosporon orbiculare on melanosome formation and distribution. Examination of biopsy specimens from lesions of hyperpigmented tinea versicolor involving vitiliginous skin reveals an absence of melanosomes and melanocytes. Reddish-tan and fawncolored hyperpigmentation in tinea versicolor of this type is not due to melanin pigment. The possible nature of the pigmentation that delineates hyperpigmented tinea versicolor from normal skin is discussed.
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ISSN:0190-9622
1097-6787
DOI:10.1016/S0190-9622(85)70006-0