Abstract
In 1981 Glotzer advocated diversion colitis and proctitis as inflammation occurring in portions of bowel excluded from fecal stream. We report a case of diversion colitis occurred after the surgical treatment for Crohn's disease. The patient was a man of 35 years old. Colostomy of transverse colon and resection of ileum and ceacum for Crohn's disease were carried out on December 1991. After the surgery the patient remained asymptomatic. Three years and four months after the surgery, colonofiberscopy was performed for the follow-up examination. In the bowel proximal to stoma normal mucosa was noticed, on the other hand, diffuse erythema with contact bleeding was observed in the distal bowel. Mucosal biopsy showed focal infiltration of inflammatory cells and lymphoid follicular hyperplasia in the lamina propia, but granuloma existing in Crohn's disease was not detected. Diversion colitis can develop after the surgical treatment for Crohn's disease. Therefore, it is important to differentiate diversion colitis from recurrence of Crohn's disease for appropriate treatment.
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