Journal of pediatric and adolescent gynecology · 2026
Obstructed Hemivagina: Anatomical Variation, Management, and Challenges of Classification- A Single Centre 10-Year Retrospective Cohort Study.
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Learner Hazel Isabella, Hall-Craggs Margaret, Yasmin Ephia
Аннотация
OBJECTIVE: Obstructed hemivagina is a rare congenital anomaly typically presenting in adolescence and is commonly associated with ipsilateral renal anomalies. Diagnosis is frequently delayed, and existing classification systems provide limited support for surgical planning. This study aimed to describe clinical and anatomical variations in obstructed hemivaginas, evaluate surgical outcomes following specialist management, and identify anatomical features relevant to systematic description.
METHODS: This retrospective cohort study included all patients who underwent surgery for obstructed hemivagina at a single specialist referral center between 2014 and 2024. Patients with MRI-confirmed obstructed hemivagina were included; those with cervical-level obstruction, cloacal anomalies, or bladder exstrophy were excluded. Demographic data, presenting symptoms, pre-referral management, radiological findings, surgical details, and outcomes were analyzed. The primary outcome was re-obstruction.
RESULTS: Sixty-one patients were included (median age 15 years, range 11-31) with median follow-up of 29 weeks. One-third were not receiving menstrual suppression at referral, and one-quarter had undergone emergency or incomplete procedures before specialist review. All patients underwent vaginal septal excision. Re-obstruction occurred in 2/61 (3.3%), both following excision of high-inserting septa. Among 17 patients with high-inserting septa, 15 did not experience re-obstruction. MRI classification was concordant with intraoperative findings in 51/61 cases (83.6%), with reduced accuracy for higher septa.
CONCLUSION: Vaginal septal excision in a specialist setting was associated with a low re-obstruction rate. Variation in pre-referral management highlights opportunities to optimize preoperative management and referral pathways. Marked anatomical heterogeneity supports the value of a structured descriptive framework to document features of obstructed hemivaginas relevant to surgical planning and longitudinal care.
METHODS: This retrospective cohort study included all patients who underwent surgery for obstructed hemivagina at a single specialist referral center between 2014 and 2024. Patients with MRI-confirmed obstructed hemivagina were included; those with cervical-level obstruction, cloacal anomalies, or bladder exstrophy were excluded. Demographic data, presenting symptoms, pre-referral management, radiological findings, surgical details, and outcomes were analyzed. The primary outcome was re-obstruction.
RESULTS: Sixty-one patients were included (median age 15 years, range 11-31) with median follow-up of 29 weeks. One-third were not receiving menstrual suppression at referral, and one-quarter had undergone emergency or incomplete procedures before specialist review. All patients underwent vaginal septal excision. Re-obstruction occurred in 2/61 (3.3%), both following excision of high-inserting septa. Among 17 patients with high-inserting septa, 15 did not experience re-obstruction. MRI classification was concordant with intraoperative findings in 51/61 cases (83.6%), with reduced accuracy for higher septa.
CONCLUSION: Vaginal septal excision in a specialist setting was associated with a low re-obstruction rate. Variation in pre-referral management highlights opportunities to optimize preoperative management and referral pathways. Marked anatomical heterogeneity supports the value of a structured descriptive framework to document features of obstructed hemivaginas relevant to surgical planning and longitudinal care.