Journal of the Korean Pediatric Society 1986;29(2):170-177.
Published online February 28, 1986.
A Clinical Study of Ureteral Duplication : Review of 90 Cases.
Jun Chul Choi1, Jae Seung Lee1, Ho Yung Lee2, Dae Suk Han2, Hyung Ki Choi3, Jin Moo Lee3, Jin Suck Suh4
1Department of Pediatrics, College of Medicine, Yonsei University, Seoul Korea
2Department of Internal Medicine, College of Medicine, Yonsei University, Seoul Korea
3Department of Urology, College of Medicine, Yonsei University, Seoul Korea
4Department of Radiology, College of Medicine, Yonsei University, Seoul Korea
重複尿管에 對한 臨床的 考察
崔俊哲1, 李栽 昇1, 李好榮2, 韓大錫2, 崔醫基3, 李鎭藏3, 徐振錫4
1연세대학교 의과대학 소아과학교실
2연세대학교 의과대학 내과학교실
3연세대학교 의과대학 비뇨기과학교실
4연세대학교 의과대학 방사선과학교실
Ureteral duplication is one of the most common congenital malformations of the urinary tract. Incomplete duplication rarely causes clinical problems, but complete duplication often accompanies complications of a varying degree. We herein analyzed, retrospectively, 90 cases with ureteral duplication who were admitted to Yonsei University Severance Hospital during 13.5 years. There were 28 cases under age of 15 years. Thirty-four cases were male and 56 cases were female. Seventy-nine cases were unilateral and 11 cases were bilateral. In unilateral duplication, duplication developed in 56 cases on the left and 23 cases on the right, and 42 cases were incomplete, 15 cases were complete and 22 cases were not confirmed. The common chief complaints were flank pain(25.6%), fever(14.4%) and hematuria(12.2%). But, 26 cases of duplication had no urinary symptoms or signs. Complications developed in 57% of unilateral incomplete duplication, 87% of unilateral complete duplication, 53.6% under age of 15 years and 38.7% above age of 15 years. Associated abnormalities were hydronephrosis (22.2%), hydroureter (15.6%), stone (13.3%), ureterocele(10.0%), vesicoureteral reflux(10.0%) and ectopic ureter(8.9%). Voiding cystourethrography was done in a total of 13 cases of unilateral complete duplication and bilateral duplication, and vesicoureteral reflux was discovered in 9 cases.
Key Words: Ureteral duplication, Vesicoureteral reflux, Ectopic ureter, Ureterocele

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