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Virtual Colonoscopy

Virtual Colonoscopy

USC Surgery / Services / Virtual Colonoscopy

Virtual colonoscopy, also called CT colonography, is an alternative to colonoscopy, producing 2-D and 3-D images of the colon that are displayed on a screen. It uses a CT scanner to produce hundreds of cross-sectional images that provide a detailed view of the colon’s interior, from the lower end of the small intestine to the rectum, without needing to insert a colonoscope. This procedure is suited for patients who are frail, elderly or aren’t able to undergo a colonoscopy for other reasons.

Properly performed, a virtual colonoscopy is as accurate in detecting polyps as a traditional colonoscopy. If polyps are found during the exam, a subsequent colonoscopy may be needed to remove these. Both procedures require a bowel preparation to clear out stool and examine the inside lining of the colon.

Related to Virtual Colonoscopy

Keck Medicine of USC is the University of Southern California’s medical enterprise, one of only two university-owned academic medical centers in the Los Angeles area.