Ulcerative Colitis vs Crohn's Disease - IBD Comparison Table
Ulcerative Collitis
- Location
• Always affects rectum extending to varying degrees around the large bowel
- Inflammation
• Continuous, Diffuse mucosal inflammation (Inflammation limited to the mucosa)
• Sharp transition between diseased and normal colon
Crohn’s Disease
- Location
• Anywhere from the mouth to anus
• Frequently affects the Terminal ileum
• Most cases (70-80%) have small bowel involvement and sparing of the rectum
- Inflammation
• “Patchy (Skip areas), Transmural Inflammation”
• Locality in the setting of relatively normal intervening mucosa, segmental asymmetric involvement of different parts of the wall within given segments of bowel.
- Amy Chung, MD, MSc @AmyChung
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