Inflammatory Bowel Disease · Pathology

Which of the following describes 'Indeterminate Colitis'?

  1. IBD that has fully resolved after treatment
  2. IBD where features overlap between Crohn and UC, making a definitive diagnosis impossible
  3. Inflammation caused by a known enteric pathogen like Salmonella
  4. A precursor lesion to colonic adenocarcinoma
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Correct answer: IBD where features overlap between Crohn and UC, making a definitive diagnosis impossible

In about 10% of patients with IBD limited to the colon, a definitive distinction between Crohn disease and Ulcerative Colitis cannot be made based on clinical, radiological, or pathological findings; this is termed Indeterminate Colitis.

Difficulty: Medium Question 20 of 20

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