Intestinal Perforation Following Ileoscopy Through a Prolapsed Stoma in an Pediatric Intestinal Transplant Recipient With an Unrecognized Parastomal Hernia
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Updated: Mar 12, 2026

A Rat Graft Rejection Model of Intestinal Transplantation with Exteriorized Ileostomy for Longitudinal Prognosis Assessment
Published on: June 10, 2025
Pavni Mehrotra1, Joanna Yeh2, Theodore R Hall3
1Department of Pediatrics, David Geffen School of Medicine, UCLA, Los Angeles, CA.
Abstract:
Ileoscopy with mucosal biopsy is fundamental in the management and surveillance of inflammatory bowel disease patients and intestinal transplant recipients. There is a paucity of data describing the risks of ileoscopy in the presence of a prolapsed stoma. Parastomal hernias are frequently associated with prolapsed stomas. We report the first case of perforation during ileoscopy in the setting of a prolapsed stoma and unrecognized parastomal hernia. Recognition of parastomal hernia associated with stoma prolapse is of paramount importance in patients undergoing ileoscopy as it may increase the risk of perforation.
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An ostomy is a surgical procedure that creates an artificial opening from the intestines to the outside of the body, allowing for the rerouting of effluent. This opening is known as a stoma. A stoma usually protrudes above the skin surface, appearing pink or red, moist, and round, and it lacks nerve sensations.
There are different types of ostomies, including colostomies, ileostomies, and urostomies:

