Intraureteric eversion and reflux into a simple ureterocele.
D002675:Child, Preschool; D006801:Humans; D008297:Male; D011859:Radiography; D014513:Ureter / Q000503:physiopathology*; D014518:Ureterocele / Q000150:complications* / Q000000981:diagnostic imaging; D014718:Vesico-Ureteral Reflux / Q000150:complications*