Successful treatment of rectovaginal fistula and rectal stenosis due to perianal Crohn's disease by dual-port laparoscopic abdominoperineal resection: a report of two cases.

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BackgroundThe incidence of rectovaginal fistula in women with Crohn’s disease has been reported to be 3–10 %. Although rectovaginal fistulas can be managed medically and surgically, they have high rates of recurrence and complications. Rectal stenosis is another condition that occurs due to perianal Crohn’s disease. A novel, minimally invasive procedure, dual-port laparoscopic abdominoperineal resection using a multichannel port, has been shown effective in patients with lower rectal cancer and patients with medically uncontrolled ulcerative colitis. This report describes the use of the same method for two patients with Crohn’s disease-related rectovaginal fistula and rectal stenosis.Case presentationThe first patient, a 22-year-old woman, was diagnosed with rectovaginal fistula and rectal stenosis due to perianal Crohn’s disease 2 years earlier. Induction therapy with infliximab and endoscopic balloon dilatation did not improve her symptoms. The second patient, a 33-year-old woman, was also diagnosed with rectovaginal fistula and rectal stenosis due to perianal Crohn’s disease, and medical treatment was also unsuccessful. Both patients underwent dual-port laparoscopic abdominoperineal resection using a multichannel port, with no perioperative and postoperative complications.ConclusionThese findings show that this reduced port method can be used to successfully treat patients with Crohn’s disease-associated rectovaginal fistula and rectal stenosis.