﻿ Computerized Tomography (CT Scan, Computerized Axial
Tomography or CAT Scan) Procedure - MedicineNet  CT Scan
(Computerized Tomography, CAT Scan)  Medical Author: Medical
Editor:  CT scan facts    • CT scanning can identify normal and
abnormal structures and be used to guide procedures.   • CT
scanning is painless.   • Iodine-containing contrast material is
sometimes used in CT scanning. Patients with a history of
allergy to iodine or contrast materials should notify their
physicians and radiology staff.  What is a CT scan?
Computerized (or computed) tomography, and often formerly
referred to as computerized axial tomography (CAT) scan, is an
X-ray procedure that combines many X-ray images with the aid of
a computer to generate cross-sectional views and, if needed,
three-dimensional images of the internal organs and structures
of the body. Computerized tomography is more commonly known by
its abbreviated names, CT scan or CAT scan. A CT scan is used to
define normal and abnormal structures in the body and/