Virtual colonoscopy

Virtual colonoscopy
A method for examining the colon by taking a series of x-rays (a CT scan) and then using a 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 at any time after the procedure. Also called computed tomography colography.

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an imaging technique, used for examination of the colon, in which cross-sectional images acquired by computed tomography or magnetic resonance imaging are processed by computer to reconstruct a three-dimensional display of the colonic lumen.

Medical dictionary. 2011.

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