Incarcerated recurrent rectal prolapse with ileal strangulation: report of a case.

We report a rare case of incarcerated rectal prolapse with ileal strangulation occurring after a Gant-Miwa procedure with anal encircling (Thiersch's procedure) for recurrent rectal prolapse. The patient was a 78-year-old woman who presented to our outpatient clinic the day after sudden rectal protrusion had occurred. She had undergone a Gant-Miwa procedure for rectal prolapse 4 years previously, and another Gant-Miwa procedure with anal encircling for recurrent rectal prolapse 18 months earlier. The patient attempted to reduce the prolapse manually, but was unsuccessful. On admission, a 10 x 4-cm semispherical mass was observed extra-anally, with a necrotic surface. We performed an emergency laparotomy, which rerealed a prolapse of the anterior wall of the rectum with part of the ileum protruding into the sac formation. Thus, we resected the incarcerated ileum followed by primary anastomosis and proctectomy (Hartmann's procedure) with good results. This case demonstrates that ileal strangulation can occur as a complication of rectal prolapse recurrence after perineal repair.