True statements about inflammatory bewel disease (IBD) -

Ans is c i.e. 2 % case of chrons disease undergo malignant changes Pouch operation i.e. total proctocolectomy with ileal pouch anal anastomosis is not done during fulminant ulcerative colitis. As explained in previous question, fulminant ulcerative colitis not responding to medication is an indication for emergency operation. In emergency operations total abdominal colectomy with ileostomy is done. I am not sure about option 'c'. the maximum I could get about the percentage of crohn's disease complicating into malignancy is from Schwaz - the risk of malignancy in crohn's pancolitis is similar to that UC pancolitis i.e. 2% after 10 yrs., 8% after 20 yrs & 18% after 30 yrs approximately.