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Tanning salon porokeratosis

1993; Elsevier BV; Volume: 29; Issue: 5 Linguagem: Inglês

10.1016/s0190-9622(08)81705-7

1097-6787

Alan B. Fleischer, M. Donahue, Steven R. Feldman,

Dermatologic Treatments and Research

Case 1. A 29-year-old woman who regularly visited a tanning salon had multiple 1 to 2 mm asymptomatic brown annular lesions on her chest and upper extremities for approximately I year. A slight threadlike scale was present at the periphery ofthe lesions. A biopsy specimen revealed a parakeratotic column with an epidermal dell overlying scant focal basal vacuolar changes and numerous heavily pigmented melanophages. Case 2. A 28-year-old woman had an asymptomatic eruption on her forearms, thighs, and abdomen for 3 weeks that began after a prolonged series of tanning bed exposures. Multiple 4 to 6 mm hyperpigmented macules with and without a barely discernable peripheral scale were found. Histopathologic examination showed small foci of parakeratosis overlying focal vacuolar interface change. Occasional melanophages were present in the reticular dermis.