Late Post-Hysterectomy Colovaginal Fistula with Extensive Diverticular Disease

The diagnosis of colovaginal fistula came to light in this 70-year-old woman, 22 years after hysterectomy, based on clinics. But, intraoperative and histopathological diagnoses were arduous. Confirmation that a fistula extended from the sigmoid colon into the vaginal stump was sanctioned by a fragment of squamous epithelium disclosed within a colonic fistula.