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Article
April 1982

Solar UrticariaClinical Features and Wavelength Dependence

Author Affiliations

From the Department of Dermatology, Columbia University College of Physicians and Surgeons, New York.

Arch Dermatol. 1982;118(4):228-231. doi:10.1001/archderm.1982.01650160018012
Abstract

• Solar urticaria, an uncommon photosensitivity disorder, may be disabling for affected patients, especially those who react after short exposures to artificial or natural light. The spectrodermograph, a newly developed instrument, permits rapid, accurate determination of the action spectrum of solar urticaria. It consists of a xenon arc lamp with an emission dispersed into narrow wavelength bands from 250 to 610 nm. This instrument was used to establish the wavelengths responsible for solar urticaria in 12 patients during the past four years. Knowledge of the wavelengths responsible for producing the urticarial reaction has implications for selecting appropriate therapy. The clinical course of these patients is also reviewed.

(Arch Dermatol 1982;118:228-231)

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