| Computed axial tomography (CAT), computer-assisted
tomography, computed tomography, CT, or body section roentgenography is the process of using digital processing to generate a three-dimensional image of the internals of an object from a large series of two-dimensional x-ray images taken around a single axis of rotation.
CT is used in medicine as a diagnostic tool and as a guide for interventional
procedures. Sometimes contrast materials such as barium (administered orally or
rectally) or intravenous iodinated contrast are used. |
