...Dapeng Jiang; Zhoutong Chen; Houwei Lin; Maosheng Xu; Hongquan Geng Objectives: This study was performed to analyze the predictive factors of a contralateral operation after initial pyeloplasty in patients with antenatally detected bilateral ureteropelvic junction obstruction. Methods: Patients...

...S. Josephson; H.K. Dhillon; P.G. Ransley 26 children, with antenatally detected, isolated, bilateral hydronephrosis (thus consistent with pelvi-ureteric junction obstruction), were investigated for up to 7 years. The aim was to avoid operation. 34 kidneys were never operated on. Despite initially...