Hyperkeratosis of nipple and areola.
D000052:Acanthosis Nigricans / Q000473:pathology*; D000368:Aged; D001940:Breast / Q000473:pathology*; D006801:Humans; D006984:Hypertrophy; D008297:Male; D009558:Nipples / Q000473:pathology*; D012867:Skin / Q000473:pathology*