Definition of virtual colonoscopy - NCI Dictionary of Cancer Terms

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virtual colonoscopy (...KOH-luh-NOS-koh-pee)

A method under study to examine the colon by taking a series of x-rays (called a CT scan) and using a high-powered computer to reconstruct 2-D and 3-D pictures of the interior surfaces of the colon from these x-rays. The pictures can be saved, manipulated to better viewing angles, and reviewed after the procedure, even years later. Also called computed tomography colography.

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