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Colitis may be identified by flexible sigmoidoscopy or colonoscopy -- in both of these tests, a flexible tube is inserted in the rectum, and specific areas of the colon are evaluated. Biopsies taken during these tests may show changes related to inflammation.
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Other studies that can identify colitis include:
- Barium enema
- Abdominal CT scan
- Abdominal MRI
- Abdominal x-ray
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