title: Rectal mucosa involvement in keratosis follicularis.
mesh_terms: D000293:Adolescent; D001003:Anal Canal / Q000473:pathology; D007644:Darier Disease / Q000150:complications*; D006801:Humans; D008297:Male; D009092:Mucous Membrane / Q000473:pathology; D011538:Pruritus Ani / Q000209:etiology / Q000473:pathology; D012002:Rectal Diseases / Q000209:etiology*; D012007:Rectum / Q000473:pathology*