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Preventing the O in OHVIRA (Obstructed Hemivagina Ipsilateral Renal Agenesis): Early Diagnosis and Management of Asymptomatic Herlyn-Werner-Wunderlich Syndrome.

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INTRODUCTION Herlyn-Werner-Wunderlich syndrome (HWWS) is a rare variant of Mullerian ductal anomaly associated with ipsilateral renal agenesis. Most patients are diagnosed after menarche with complications of uterovaginal obstruction, genitourinary infection… Click to show full abstract

INTRODUCTION Herlyn-Werner-Wunderlich syndrome (HWWS) is a rare variant of Mullerian ductal anomaly associated with ipsilateral renal agenesis. Most patients are diagnosed after menarche with complications of uterovaginal obstruction, genitourinary infection and pelvic adhesions. Patients often undergo additional operations for misdiagnosis or treatment of complications. Our institution manages several HWWS patients diagnosed before symptoms by screening for antenatally-diagnosed renal agenesis. This study aims to improve the presymptomatic management of HWWS patients. METHODS We carried out retrospective case review of patients diagnosed with HWWS from 2010 to 2017 on patient demographics, symptoms, clinical course and operative management and summarize the sparse literature published to date. RESULTS There were 8 patients with HWWS but only 2 symptomatic patients presented acutely with hematocolpos requiring urgent vaginal surgery. The other six patients had early diagnosis through postnatal ultrasound screening. No patient required further operation for diagnosis or complications related to obstructed hemivagina. CONCLUSION Our case series and literature review show that the majority of prepubertal patients with HWWS do not require early gynecological surgery. We recommend that female babies with renal agenesis should be screened for HWWS syndrome with ultrasound. Early diagnosis and presymptomatic elective surgery may prevent urogynecological complications that cause fertility and renal impairment. STUDY DESIGN Case series, level IV evidence.

Keywords: agenesis; renal agenesis; early diagnosis; management; syndrome

Journal Title: Journal of pediatric surgery
Year Published: 2019

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