[Bullous pemphigoid with figurate erythema. A case report].

Bullous pemphigoid is an autoimmune dermatosis characterized by deposition of immunoglobulin G (IgG) and/or complement along basement membrane zone. The lesions of bullous pemphigoid are tense blisters on trunk and extremities, oral lesions are unusual. Figurate erythema includes some dermatologic pictures characterized by annular and polycyclic lesions.