title: Ureteric polyp as a cause of hydronephrosis in childhood.
abstract: Obstruction of the ureteropelvic junction from a polypoid lesion is considered to be an exceedingly rare cause of hydronephrosis in childhood.
mesh_terms: D002648:Child; D006801:Humans; D006869:Hydronephrosis / Q000209:etiology* / Q000601:surgery; D008297:Male; D011127:Polyps / Q000150:complications* / Q000601:surgery; D014516:Ureteral Neoplasms / Q000150:complications* / Q000601:surgery