Introduction: Pancreas transplantation is the best treatment option in selected patients with type 1 diabetes mellitus. Here we report a patient with a nonmarginal duodenal perforation five years after a simultaneous pancreas-living donor kidney transplantation (SPLKT).
Presentation of case: A 31-year old male who underwent SPLKT five years previously presented with severe abdominal pain. He had a marginal duodenal perforation four years later, treated by primary closure and drainage. Biopsy of the pancreas and duodenum graft at that time showed chronic rejection in the pancreas and acute inflammation with an ulcer in the duodenum. At presentation, computerized tomography scan showed mesenteric pneumatosis with enteric leak and ileal dilatation proximal to the anastomotic site. We performed emergent laparotomy and found a 1.0cm perforation at the nonmarginal, posterior wall of the duodenum. Undigested fiber-rich food was extracted from the site and an omental patch placed over the perforation. An ileostomy was created proximal to the omega loop for decompression and a drain placed nearby. The postoperative course was unremarkable.
Discussion: There are only eight previous cases of graft duodenal perforation in the literature. Fiber-rich food residue passing through the anastomosis with impaction may have led to this perforation.
Conclusion: When a patient is stable, even in the presence of delayed duodenal graft perforation, graft excision may not be necessary. Intraoperative exploration should include Doppler ultrasound examination of the vasculature to rule out thrombosis as a contributor to ischemia. Tissue biopsy should be performed to diagnose rejection.
Keywords: Case report; Chronic rejection; Delayed duodenal graft perforation; Pancreas transplantation.
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