Medical Dictionary

CT colonography

noun

medical Definition of CT colonography

:a noninvasive medical imaging technique that uses computed tomography to visualize the interior of the colon and rectum especially to screen for polyps or cancerous growths
  • People putting off that colonoscopy just got some good news: Researchers at the University of Wisconsin School of Medicine have found that noninvasive CT colonography, which creates a 3D computer scan of the colon, can detect advanced polyps—the precursors to colorectal cancer—just as accurately.
  • —Matthew ShulmanU.S. News & World Report15 Oct. 2007
; also :a procedure utilizing CT colonography
  • Questionable findings revealed by stool testing, sigmoidoscopy or CT colonography should be confirmed by a colonoscopy.
  • The Washington Post14 Feb. 2012
  • Other procedures, such as CT colonographies, don't pick up the flat polyps on the right side of the colon very well …
  • —Amritha Alladi, The News-Star (Monroe, Louisiana)16 Mar. 2012
Note: Both the technique and procedure are also called colonography and computed tomographic colonography.

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