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CT colonography is a radiology test that looks at your large intestines (colon). It is one of many options for colon cancer screenings.
This test is used to look for polyps or cancers of the colon.
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CT colonography is safe. It can be used if you are too sick to undergo other forms of colon cancer screening.
In some cases, a contrast material is used. One complication may be an allergic reaction to the contrast.
Call Your Doctor
If you were given contrast, call your doctor if you notice:
- Difficulty breathing
In case of emergency, CALL 911.