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Article
January 1988

Solar Purpura

Author Affiliations

Division of Dermatology University of Kansas Medical Center 39th and Rainbow Blvd Kansas City, KS 66103

Arch Dermatol. 1988;124(1):24-25. doi:10.1001/archderm.1988.01670010014008
Abstract

To the Editor.—  The list of disorders linked to sunlight seems ever to increase.1 A recent addition to this list described petechiae in response to sunlight exposure in a 10-year-old girl.2 No information was provided in that report concerning etiology or action spectrum.

Report of a Case.—  A 33-year-old woman complained of asymptomatic petechiae that appeared after approximately an hour of sun exposure and involved the legs exclusiveRight ankle of patient 24 hours after natural sunlight exposure (60 minutes). ly. Sunburn was not necessary for the lesions to appear. The problem first was noted five years previously and only occurred in the early summer months, usually after the first lengthy sun exposure (one half to one hour). The petechiae gradually would disappear over several weeks, and the patient would remain free of lesions until the following year.The patient's 20-year-old sister described identical symptoms. The patient's daughter

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