[Ureterocele associated with double ureter: report of two cases in children].
D002675:Child, Preschool; D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000150:complications; D011859:Radiography; D014513:Ureter / Q000002:abnormalities* / Q000000981:diagnostic imaging; D014518:Ureterocele / Q000150:complications*