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Title: Hydroa vacciniforme: induction of lesions with ultraviolet A. Author: Halasz CL, Leach EE, Walther RR, Poh-Fitzpatrick MB. Journal: J Am Acad Dermatol; 1983 Feb; 8(2):171-6. PubMed ID: 6826813. Abstract: Hydroa vacciniforme is a rare photosensitivity disorder with onset in childhood. The distinctive lesion is a vesicle which heals with scarring. We report a case of hydroa vacciniforme in which an abnormal minimal erythema dose to wavelengths of 322 to 370 nm within the ultraviolet A (UVA) range was demonstrated. Vesicles could be induced only with multiple exposures to UVA. Increased tolerance to UVA erythema was induced by multiple UVB exposures, although tanning was poor. Of note were the presence of several halo nevi and a history of the loss of ability to tan. The clinical features and appropriate laboratory evaluation of hydroa vacciniforme are reviewed.[Abstract] [Full Text] [Related] [New Search]