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Summary

Chronic actinic dermatitis is a photodistributed, eczematous dermatitis that preferentially affects elderly men and persists for months to years. Its occurrence in individuals infected with human immunodeficiency virus (HIV) has been described in five patients. We report four additional cases of this uncommon, chronic photodermatosis associated with HIV infection. In two of the patients, photosensitivity was a presenting disorder leading to the diagnosis of HIV infection. All patients were men of skin type VI with a mean age of 50 years, all had decreased minimal erythema doses to ultraviolet B, three of the four patients had decreased minimal erythema doses to ultraviolet A and all had CD4 cell counts of < 200 times; 106/L.