title: Benign leukokeratosis of the areolae and abdomen.
mesh_terms: D000005:Abdomen / Q000473:pathology*; D000328:Adult; D001941:Breast Diseases / Q000473:pathology*; D006801:Humans; D007642:Keratosis / Q000188:drug therapy / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009558:Nipples; D014212:Tretinoin / Q000627:therapeutic use; D014472:Umbilicus
chemical_list: D014212:Tretinoin