INTRODUCTION AND HYPOTHESIS: Endometriosis is a gynecological condition characterized by endometrial tissue outside of the uterus. It affects up to 15% of women of reproductive age. In the case of bowel infiltration, about 90% of lesions are localized on the sigmoid colon or the rectum and may interfere with bowel function. Three surgical approaches are possible: (1) shaving technique, (2) discoid resection of the nodule, and (3) segmental resection with end-to-end anastomosis. A rectovaginal fistula is feared as a postoperative complication mainly in simultaneous resection of the vaginal and the rectosigmoid nodules. Its prevention is a two-step surgery (the first operation on the vagina and the second on the colon) or a preventive colostomy, both of which are often thought to be too invasive for a benign condition. Herein, we suggest a one-step surgery to prevent its development. METHODS: In three women, a concomitant laparoscopic resection of the vaginal and rectosigmoid endometrial nodule was completed with interposition of a mesorectal flap. RESULTS: All surgeries were uncomplicated with no rectovaginal fistula in the postoperative period. CONCLUSION: In the hands of skilled surgeons, this one-step technique can be used to prevent rectovaginal fistula development.

3rd Faculty of Medicine Charles University Prague Czech Republic Department of General Surgery 3rd Faculty of Medicine and University Hospital Královské Vinohrady Charles University Prague Czech Republic

Institute for the Care of Mother and Child Podolske nabrezi 157 14700 Prague Czech Republic 3rd Faculty of Medicine Charles University Prague Czech Republic

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