CT colonography. Definition

Medical Definition: CT colonography

Method study to examine the colon through a series of x-rays (called CT scan), a high-powered computer can reconstruct images in two dimensions (2-D) and three-dimensional (3-D) of the interior surfaces of colon captured by these x-rays. Images can be saved, manipulated to better viewing angles and examined after the procedure, even years later. Also called virtual colonoscopy.

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