(Computed Tomography Colonography; Virtual Colonoscopy)
CT colonography is a radiology test that looks at your large intestines, also called your colon. It is one of many options for colon cancer screenings.
Reasons for Test
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 have other forms of colon cancer screening.
In some cases, a contrast material is used. One complication may be an allergic reaction to the contrast.