• Yong Seung Lee, Young Jae Im, Hyeyoung Lee, Myung-Joon Kim, Mi-Jung Lee, Hyun Jin Jung, and Sang Won Han.
• Department of Urology and Urological Science Institute, Yonsei University College of Medicine, Seoul, Korea.
• Urology. 2014 Feb 1;83(2):443-9.

ObjectiveTo report our experience with the diagnosis and management of coexisting ureteropelvic junction obstruction (UPJO) and ureterovesical junction obstruction (UVJO).Materials And MethodsAmong the pediatric patients who underwent pyeloplasty or ureteroneocystostomy from 2003-2012, 15 patients were diagnosed with coexisting UPJO and UVJO. We retrospectively analyzed their medical records.ResultsOf the 15 patients with coexisting UPJO and UVJO, the correct diagnosis was made preoperatively in 10 patients (66.7%). In 4 other patients, only UPJO was diagnosed, and in 1 patient, only UVJO was diagnosed. The decision of where to initially operate was determined from the combined results of the preoperative antegrade evaluation and retrograde ureteropyelography. Pyeloplasty was the initial surgical management choice for 9 patients, and ureteroneocystostomy was the initial surgical approach in 5 patients. In 1 patient, both pyeloplasty and ureteroneocystostomy were performed simultaneously. Of the 9 patients who underwent initial pyeloplasty, additional ureteroneocystostomy was required in 2. Additional pyeloplasty was required in 2 of the 5 patients who initially underwent ureteroneocystostomy.ConclusionIt is often difficult to correctly diagnose coexisting UPJO and UVJO. In patients with UPJO, it is highly recommended that retrograde ureteropyelography be performed before pyeloplasty to evaluate the distal ureter-ureterovesical junction. Initial pyeloplasty is not always recommended as a first-line therapy.Copyright © 2014 Elsevier Inc. All rights reserved.

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