X-ray finding more suggestive of ulcerative colitis than Crohn's disease:: (A) Rectal sparing, (B) Loss of haustrations, (C) Tracking of contrast within the bowel wall, (D) Discontinuous lesions
Answer is B. Ans. (b) Loss of haustrationsRef: Sabiston 20th edition, Page 1342* Lead pipe appearance: Loss of haustrations* Rectal sparing is a feature of Crohn's* Skip lesions are also seen in Crohn's.