title: Upper pole pelviureteric junction obstruction.
abstract: A case of neonatal hydronephrosis affecting the upper moiety of a duplex kidney is presented. In addition to the ectopic insertion of the upper-pole ureter into the urethra, the ureter was obstructed by the lower pole at its pelviureteric junction.
authors.affiliation: Urology Unit, Royal Children's Hospital, Victoria, Australia.
authors.forename: P A
authors.initials: PA
authors.lastname: Dewan
authors.forename: E
authors.initials: E
authors.lastname: Penington
authors.forename: D
authors.initials: D
authors.lastname: Jeyaseelan
mesh_terms: D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000209:etiology; D007231:Infant, Newborn; D007668:Kidney / Q000002:abnormalities*; D007682:Kidney Pelvis / Q000601:surgery; D014513:Ureter / Q000002:abnormalities; D014517:Ureteral Obstruction / Q000209:etiology*; D014521:Urethra / Q000002:abnormalities