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Dermatol Clin. 2003 Jul;21(3):413-29, v-vi.

Pityriasis versicolor.

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Division of Dermatology, Department of Medicine, Sunnybrook and Women's College Health Science Center (Sunnybrook Site), University of Toronto, 2075 Bayview Avenue, Toronto, Ontario M4N 3M5, Canada.


Pityriasis versicolor is a mild or chronic condition characterized by scaly hypopigmented or hyperpigmented lesions usually affecting the trunk. The lesions vary depending on tropical or temperate climates. The disease seems to occur mainly at adolescence when the sebaceous glands are more active. Malassezia yeasts have been implicated in the pathogenesis of this disease. The mycelial form of the fungus has been suggested to be the cause of lesions. Antifungal preparations have been used to treat the initial presentation effectively, although in a proportion of patients the disease tends to reoccur. They are available in a wide range of formulations and have been shown to be safe.

[Indexed for MEDLINE]

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