Histology of diversion colitis characterized by reactive lymphoid hyperplasia, as well as crypt atrophy.
From: Wu XR, Liu XL, Katz S, Shen B. Pathogenesis, diagnosis, and management of ulcerative proctitis, chronic radiation proctopathy, and diversion proctitis. Inflamm Bowel Dis 2015; 21:703. DOI:
10.1097/MIB.0000000000000227. Reproduced with permission from Lippincott Williams & Wilkins. Copyright © 2015 Crohn's and Colitis Foundation of America, Inc. Unauthorized reproduction of this material is prohibited.