title: Bullous pemphigoid resembling erythema annulare centrifugum.
mesh_terms: D003937:Diagnosis, Differential; D004892:Erythema Multiforme / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010391:Pemphigoid, Bullous / Q000175:diagnosis*; D012872:Skin Diseases, Vesiculobullous / Q000175:diagnosis*