title: [Iconographic rubric: polyp of the posterior urethra disclosed by bladder lithiasis in a young boy].
mesh_terms: D002675:Child, Preschool; D006801:Humans; D008297:Male; D011127:Polyps / Q000150:complications / Q000000981:diagnostic imaging*; D011859:Radiography; D014523:Urethral Neoplasms / Q000150:complications / Q000000981:diagnostic imaging*; D001744:Urinary Bladder Calculi / Q000209:etiology*
vernacular_title: Rubrique iconographique.