Where is inflammation seen in ulcerative colitis (UC)?

Updated: Apr 10, 2020
  • Author: William A Rowe, MD; Chief Editor: BS Anand, MD  more...
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Ulcerative colitis is a superficial inflammation of the bowel wall almost entirely limited to the large bowel (when the cecum is involved, there may be some inflammation in the distal-most ileum, the so-called "backwash ileitis"). Only in complicated cases such as evolution into toxic megacolon are the deeper layers of the bowel wall involved with the inflammatory process.

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