A 51-year-old man visited a primary care doctor because of lower abdominal pain. On a diagnosis of small bowel obstruction he was referred to our hospital. CT on admission revealed stenosis of the small intestine in the left lower abdomen. We determined strangulated ileus due to internal hernia and performed an emergency laparoscopic surgery that revealed that the small intestine had herniated into the intersigmoid fossa. We extracted the incarcerated small intestine. Because there was no necrosis, we did not perform bowel resection, and only performed simple closure of the hernia orifice. The patient recovered uneventfully and was discharged on postoperative day 4. We report a case of successful laparoscopic diagnosis and treatment for intersigmoid hernia, along with a review of the literature.
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