Which of the following differentiates ulcerative colitis from Crohn’s disease

Which of the following differentiates ulcerative colitis from Crohn’s disease?

  • Crohn’s disease primarily affects the left colon and rectum and ulcerative colitis most often affects the right colon and distal ileum.
  • Crohn’s disease presents with shallow ulcerations and ulcerative colitis presents with a cobblestone appearance of the mucosal lining.
  • The extent of involvement is noncontiguous and segmented with Crohn’s disease and it is contiguous and diffuse with ulcerative colitis.
  • Crohn’s disease has primarily mucosal involvement and it is transmural with ulcerative colitis.

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