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Updated: Apr 30, 2026

Murine Distal Colostomy, A Novel Model of Diversion Colitis in C57BL/6 Mice
Published on: July 12, 2018
Mycophenolate mofetil-induced segmental colitis mimicking ischemic colitis
Kevin Johal1, Shiva K Ratuapli2, Dora M Lam-Himlin3
1Department of Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland.
Abstract:
Mycophenolate mofetil (MMF) is a commonly used drug in the prevention of allograft rejection in patients with solid organ transplants. Although diffuse colitis has been described in MMF-related colitis, segmental colitis has not been reported. We report the case of a 64-year-old male on MMF therapy who presented for evaluation of afebrile diarrhea and abdominal pain. Flexible sigmoidoscopy revealed a segmental erythematous mucosa with ulceration in the sigmoid colon, descending colon, splenic flexure and proximal transverse colon. Biopsies of these areas showed dilated damaged crypts, eosinophilic epithelial changes and crypt abscesses with apoptotic bodies consistent with MMF-induced injury. MMF was discontinued, leading to a significant improvement of his symptoms.
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