title: Idiopathic bilateral ureteric entrapment within the sacroiliac joints causing bilateral hydroureteronephrosis.
authors.affiliation: Department of Diagnostic Radiology, Princess Margaret Hospital, Lai Chi Kok, Hong Kong. jezzyeung@gmail.com
authors.forename: J T H
authors.initials: JT
authors.lastname: Yeung
authors.forename: J K F
authors.initials: JK
authors.lastname: Ma
authors.forename: A W T
authors.initials: AW
authors.lastname: Yung
authors.forename: R L F
authors.initials: RL
authors.lastname: Cheng
mesh_terms: D000369:Aged, 80 and over; D003251:Constriction, Pathologic / Q000000981:diagnostic imaging / Q000209:etiology; D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging / Q000209:etiology*; D009403:Nephrostomy, Percutaneous / Q000379:methods; D011859:Radiography; D012446:Sacroiliac Joint; D014513:Ureter; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging / Q000209:etiology*