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Article
August 1986

Disseminated Superficial Actinic Porokeratosis in a Black Patient

Author Affiliations

Department of Dermatology Santo Amaro Medical School Rua Braulio de Mendonca Filho, 50 01450 SP São Paulo, Brazil

Arch Dermatol. 1986;122(8):852-853. doi:10.1001/archderm.1986.01660200020003
Abstract

To the Editor.—  Since 1966, when Chernosky and Freeman1 first described disseminated superficial actinic porokeratosis (DSAP), almost all reported cases have been in white patients. Few cases have been reported in dark-skinned patients.2-5 In 1981, Mensch and Hazen6 published the first case of DSAP occurring in a black patient.Prior to Chernosky and Freeman's report, cases of DSAP were probably classified in the disseminated superficial form of porokeratosis of Mibelli.7Disseminated superficial actinic porokeratosis is considered a distinct and well-defined entity with the following clinical features: evident actinic influence, no predominance in either sex, constant symmetry, and the presence of small slightly keratotic and sometimes pruritic lesions varying from 1 to 10 mm in diameter. It differs from the other forms of porokeratosis as it does not appear before the age of 15 years, and the Koebner phenomenon or associated neurologic diseases are absent. Only one case has

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