title: Acanthosis nigricans: a case report.
mesh_terms: D000052:Acanthosis Nigricans / Q000473:pathology*; D000224:Addison Disease / Q000473:pathology; D003937:Diagnosis, Differential; D006432:Hemochromatosis / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009059:Mouth Diseases / Q000473:pathology*; D009061:Mouth Mucosa / Q000473:pathology