Backwash ileitis is seen in: (A) Ulcerative colitis, (B) Crohn's disease, (C) Colonic carcinoma, (D) heal polyp
Answer is A. Ans. is 'a' i.e., Ulcerative colitis Ulcerative colitis always involves the rectum and extends proximally in continuous fashion to involve pa or all pa of the colon. Involvement of terminal ileum in ulcerative colitis is called backwash ileitis