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To the Editor.—
In the August 1978 Archives (114:1193-1196), Bickers et al reported two cases of hydroa vacciniforme that were treated successfully with beta carotene. I report another similar case of an 8-year-old boy seen initially in September 1978 with a four-year history of crusted, ulcerated lesions of the lower lip (Fig 1) and papulovesicular lesions over the sun-exposed areas of the skin, mainly on the forearms. The biopsy specimen of a forearm lesion showed a picture consistent with hydroa vacciniforme. Results of porphyrin studies were normal.The patient was treated with oral beta carotene (60 mg/day), and the lesions disappeared after four weeks of medication. His tolerance to sunlight also improved. The usefulness of the beta carotene was emphasized when there was a relapse and reappearance of the lesions after the first supply of medication was exhausted.In September 1979, when in Aracaju, Brazil, he was exposed to the
Simões GA. Hydroa Vacciniforme. Arch Dermatol. 1980;116(6):619-620. doi:10.1001/archderm.1980.01640300007004