Lupus tumidus

Lupus tumidus is a rare subtype of chronic cutaneous lupus erythematosus th at was first described by Gougerot and Bournier in 1930. Clinically, lupus tumidus presents as smooth, shiny, red-violet plaques of the head and neck that may be pruritic and have a fine scale. These lesions characteristicall y clear without scarring and recur in their original distribution. Histolog ic features include superficial and deep lymphohistiocytic infiltrates and abundant dermal deposits of mucin. We describe lupus tumidus as a distinct form of cutaneous lupus erythematosus and report 4 cases.