Penile horn.
D001706:Biopsy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010212:Papilloma / Q000209:etiology / Q000473:pathology*; D010412:Penile Neoplasms / Q000209:etiology / Q000473:pathology*; D010413:Penis / Q000293:injuries; D014860:Warts / Q000150:complications