Leukocytoclastic vasculitis in urticaria induced by sun exposure.

Photodermatol Photoimmunol Photomed

Department of Clinical and Experimental Pathology and Medicine, Institute of Dermatology, University of Udine, Udine, Italy.

Published: February 2007

Background: Solar urticaria manifests itself immediately after solar or artificial light exposure and disappears a little later. Histopathologic findings of solar urticaria are essentially identical to those of classic urticaria.

Case Report: We report a 41-year-old man who developed urticarial lesions some hours after sunlight exposure, which resolved after approximately 1 week. Histologic examination of the lesions evidenced a leukocytoclastic vasculitis.

Conclusion: In a literature review we found one case of solar urticaria with histologic aspects of leukocytoclastic vasculitis.

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Source
http://dx.doi.org/10.1111/j.1600-0781.2007.00275.xDOI Listing

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