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  • Title: An alternative lower tract approach to ectopic duplex system ureteroceles feasible in young children.
    Author: Ting CS, Chang PY.
    Journal: J Pediatr Urol; 2023 Feb; 19(1):87.e1-87.e6. PubMed ID: 36335066.
    Abstract:
    INTRODUCTION: The best surgical approach to ectopic ureters and ureteroceles is yet to be determined. The objective of this study is to provide an alternative lower tract surgical approach to ectopic ureters and duplex system ureteroceles that can be safely performed in young children. METHODS: The "in-and-out" bladder approach was performed via an open intravesical incision. The upper and lower pole ureters were mobilized and brought into the bladder. The dilated ureter/ureterocele was cut open, and the distal part was deuroepithelialized. Subsequently, common sheath reimplantation was performed. The ureterocele wall was not involved during the whole procedure. We retrospectively reviewed all patients who underwent surgery for ureteroceles and ectopic ureters between January 1, 2004, and December 31, 2019. Patients with intravesical ureteroceles were excluded. Outcome parameters included the presence of hydronephrosis or reflux, split renal function on DMSA scan, incidence of urinary tract infection, and urinary incontinence. RESULTS: A total of 32 patients with ectopic duplex system ureterocele who underwent the "in-and-out" bladder approach between 2004 and 2019 were included in the retrospective study. The median age at operation was 7.8 months (range: 1.5 months-3.0 years). The median length of follow-up was 6.1 years (range: 1.0 years-14.3 years). Sixteen patients (55%) had ipsilateral vesicoureteral reflux. Five patients postoperatively developed a urinary tract infection within 1-3 years. No patients required further endoscopic treatment or surgeries. During long-term follow-up, two patients (6.3%) had intermittent day wetting at the ages of 4 and 5 years and were managed conservatively. The symptoms of intermittent day wetting subsided during follow-up. CONCLUSIONS: The "in-and-out bladder" approach can be performed in complex duplex system ureteroceles and enables early intervention; it is a single and simple operation with a satisfactory long-term continence rate.
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