[Topical corticosteroids as a therapeutic alternative in linear immunoglobulin A bullous dermatosis in childhood: case report].

Linear immunoglobulin A dermatosis of childhood is a rare autoimmune disorder. Its etiology remains unknown, although it has been linked to drugs, infections, immunological diseases and lymphoproliferative processes. We report the case of a 6 year old girl who consulted for perioral bullous lesions without other symptoms.