Abstract
An 87-year-old woman who had been staying at the department of orthopedics in our hospital for fracture of the neck of thigh bone complained of contamination of stool in leucorrhea. There was a previous history of undergoing transvaginal hysterectomy for prolapse of the uterine. She was referred to our department of surgery. An abdominal CT scan showed multiple diverticula in the sigmoid colon and a luminal structure with an inner portion mixed with gas which appeared to be a fistula between the colon and the surgical stump of the vagina. At colonoscopy, injection of gastrographin confirmed a fistula from the sigmoid colon toward the vagina. From these findings, sigmoid-vaginal fistula probably caused by sigmoid diverticulitis was diagnosed and partial resection of the sigmoid colon and closure of the fistula with sutures were performed. The postoperative course was uneventful. The patient was transferred to the rehabilitation ward on the 15th postoperative day.
Although colovesical fistula is a relatively common disorder as a complication of diverticulitis, few cases of colovaginal fistula have been reported. We thus present this case with a review of the literature.
