Persistant Urticarial Plaques of Lupus Erythematosus Tumidus: A Case Report

Lupus erythematosus tumidus is an uncommon variant of chronic cutaneous lupus erythematosus and characterized by erythematous, pruritic urticarial papules and plaques without any epidermal changes. Lesions are usually localized on sun-exposed areas like face or trunk and commonly resolve without scarring. We want to present a 43 year-old female patient with pruritic, erythematous and edematous papules and plaques on her back for 8 years. Her lesions first appeared in spring and summer time in first 3 years then remained stable for all seasons. Histopathological examination of these lesions were consistent with lupus erythematosus tumidus and responsed very-well to systemic hydroxychloroquine therapy in one month. We want to remind lupus erythematosus tumidus in differential diagnosis of pruritic, urticarial papules and plaques which are localized on places that do not expose to sun.