title: Acquired axillary and inguinal pigmentation: an epidermal naevoid abnormality not to be confused with acanthosis nigricans.
mesh_terms: D000005:Abdomen; D000052:Acanthosis Nigricans / Q000175:diagnosis; D000328:Adult; D001365:Axilla; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D009508:Nevus, Pigmented / Q000175:diagnosis* / Q000473:pathology