What is true about ulcerative colitis?: (A) Involves rectum and then whole colon backwards, (B) Involves only colon, (C) Skip lesions seen, (D) Ileum not involved
Answer is B. Ans. is 'b' i.e., Involves rectum and then whole colon backwards o Ulcerative colitis involves the rectum and extends proximally in a retrograde fashion to involve the entire colon (pancolitis) in more severe cases.