title: Lower pole ureteropelvic junction obstruction and incomplete renal duplication.
abstract: The rare finding of lower pole ureteropelvic junction obstruction and incomplete renal duplication is discussed in 5 children. The children were divided into 2 groups, with short (less than 0.5 cm.) and long (greater than 4 cm.) lower ureteral segments. Short ureteral segment obstruction was managed by total excision of the narrow ureteral segment and end-to-side pyeloureterostomy. Obstructions associated with long lower ureteral segments were treated by excising the ureteropelvic junction and performing a standard Anderson-Hynes pyeloplasty. A thorough preoperative evaluation is helpful for successful management.
authors.affiliation: Department of Surgery, Children's Hospital, Boston, Massachusetts.
authors.forename: D B
authors.initials: DB
authors.lastname: Joseph
authors.forename: S B
authors.initials: SB
authors.lastname: Bauer
authors.forename: A H
authors.initials: AH
authors.lastname: Colodny
authors.forename: J
authors.initials: J
authors.lastname: Mandell
authors.forename: R L
authors.initials: RL
authors.lastname: Lebowitz
authors.forename: A B
authors.initials: AB
authors.lastname: Retik
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000209:etiology; D007223:Infant; D007231:Infant, Newborn; D007668:Kidney / Q000002:abnormalities*; D008297:Male; D014517:Ureteral Obstruction / Q000209:etiology* / Q000601:surgery