A Rare Case of Neglected Transverse Vaginal Septum with Poor Consequences: A Case Report

Background: Transverse vaginal septum is a rare mullerian anomaly. Patients with a complete transverse vaginal septum generally complain of primary amenorrhea. Here, we presented a rare case of high transverse vaginal septum with abdominal mass during infancy in addition to chronic pelvic pain and cyclic hematuria during adulthood.Case presentation: The patient was a ۲۶-year-old female with complain of severe abdominal and pelvic pain with significant weight loss. She had a history of surgery for correction of hydrometrocolpos (fluid accumulation in the uterus and vagina) because of transverse vaginal septum at infancy period. She had no gynecologic follow-up until the age of ۲۶ years. At the last surgical evaluation, diffuse pelvic endometriosis with advanced metastatic colon cancer was noted.Conclusion: After diagnosis of transverse vaginal septum during infancy period, detailed counseling should be performed about the other treatment and follow-up which is needed to prevent severe complications that could affect the quality of life.