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February 1975

Fixed Long Ultraviolet Eruption

Author Affiliations

From the departments of environmental health and medicine, University of Cincinnati.

Arch Dermatol. 1975;111(2):212-214. doi:10.1001/archderm.1975.01630140070007

For five years, a 40-year-old woman has had an itchy, erythematous, papular eruption with indistinct margins localized to particular areas on the exposed surface of the face. The eruption is precipitated by sunlight or fluorescent lighting and can be reproduced by exposure of affected parts of the face to long ultraviolet radiation (UV) but not by exposure to the shorter sunburning UV. It cannot be reproduced on the skin of the back. Frequent application of a sunscreen that absorbs the long UV completely supresses the eruption. This entity has not been described previously, to my knowledge.

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