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 26-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 26 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.