Lupus Eritematoso Discoide do Couro Cabeludo em Doente com Lupus Eritematoso Sistémico: Um Caso com Repovoamento Capilar Completo

Abstract

Scalp involvement with hair loss is common in systemic lupus erythematosus. Discoid lupus erythematosus may cause scarring alopecia, characterized by well-delimited erythematous plaques with scales, follicular hyperkeratosis and atrophy, which is considered a trichological emergency. Early diagnosis and treatment are necessary in order to prevent permanent hair loss. We describe a 44 years’ old female patient with systemic lupus erythematosus for 4 years, with multiple areas of occipitoparietal alopecia, erythematous plaques, atrophy, scales and some bloody crusts. Trichoscopy, histopathology and direct immunofluorescence led to the diagnosis of discoid lupus erythematosus. After 9 months treatment with thalidomide there was complete hair regrowth.O envolvimento do couro cabeludo no lúpus eritematoso sistémico é comum. O lúpus eritematoso discoide causa um tipo de alopecia cicatricial, caracterizada por placas eritematosas com descamação, hiperceratose folicular e atrofia, sendo considerada uma emergência tricológica. O diagnóstico e tratamento precoces são necessários a fim de evitar alopécia permanente. Descrevemos uma paciente de 44 anos com diagnóstico de lúpus eritematoso sistémico há 04 anos, evoluindo com múltiplas áreas de alopecia occiptoparietal, placas eritematosas, atrofia, descamação e algumas crostas hemáticas. A tricoscopia, histopatologia e imunofluorescência direta conduziram ao diagnóstico de lúpus eritematoso discoide. Após 9 meses de tratamento com talidomida houve repilação completa

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Journal of the Portuguese Society of Dermatology and Venereology

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Last time updated on 18/11/2021

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