| Sumario: | Rectovaginal fistulas are a rare complication of neglected pessaries and can pose challenges in managing pelvic organ prolapse. We describe a 66-year-old woman with uterine procidentia who presented with a neglected Gellhorn pessary in place for 5 years. She complained of constipation and persistent vaginal bulge. On examination, the pessary stem eroded through the mid-posterior vaginal wall and anterior rectal wall. Staged surgical treatment included (1) pessary removal and development of ileostomy, (2) rectovaginal fistula repair, and (3) vaginal hysterectomy, uterosacral ligament suspension, and ileostomy reversal. Short-term follow-up did not demonstrate evidence of fistula or recurrence of prolapse. Rectovaginal fistulae resulting from neglected pessaries pose challenges in managing concomitant vaginal prolapse. A staged approach to fistula and prolapse repair is possible with the potential for good outcomes.
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