Solitary pedunculated polyp of the posterior urethra in children.
D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008297:Male; D011127:Polyps / Q000000981:diagnostic imaging* / Q000473:pathology*; D014523:Urethral Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology*; D014567:Urography