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Canadian Journal of Gastroenterology
Volume 14, Issue 11, Pages 959-960
Brief Communication

Small Bowel Obstruction from Internal Hernia as a Complicaton of Colonscopy

Robert Patterson and Gerhard Klassen

Leamington District Memorial Hospital, Leamington, Ontario, Canada

Received 25 March 1999; Revised 13 September 1999

Copyright © 2000 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


After colonoscopy with polypectomy, a patient developed a surgically acute abdomen. Although abdominal radiology did not show free air, a presumptive diagnosis of bowel perforation was made and laparotomy performed. At the time of surgery the colon was normal, and there was no peritoneal contamination. A loop of ileum was discovered incarcerated into an internal paracecal hernia. The bowel was freed, and the operation was completed without need for resection. Several cases of incarcerated inguinal hernia resulting from endoscopy are described in the medical literature; this is the first reported case of an incarcerated internal hernia as a complication of colonoscopy.