Common site of regional enteritis is ?

Ans. is 'c' i.e., Distal ileum and colon Crohn disease (Terminal ileitis or regional enteritis) Crohn disease (CD) is an inflammatory bowel disease (IBD) which is characterized by ? 1) Sharply delimited and typically transmural involvement of the bowel by an inflammatory process with mucosal damage. 2) The presence of non caseating granulomas. 3) Fissuring with formation of fistula. o Any poion of intestine can be involved but most commonly small intestine is involved. Small intestine --> 40% Small intestine + colon --> 30% Colon --> 30%