Apocrine cystadenoma.
D000368:Aged; D003537:Cystadenoma / Q000175:diagnosis / Q000473:pathology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012878:Skin Neoplasms / Q000175:diagnosis; D013544:Sweat Gland Neoplasms / Q000175:diagnosis / Q000473:pathology