What is a CT?

Doctors have relied on the penetrating clarity of computed tomography or CT to enable them to visualize disease, organs and structural abnormalities deep within the body, greatly reducing the need for exploratory and other types of surgeries. Through the years, advances in the technology have made CT scanning faster, safer and more comfortable and convenient for patients, while giving physicians a valuable and versatile tool for screening, diagnosing, surgical planning, treatment and reconstruction.

How does a CT Scan work?

CT, also known as cat scan, uses powerful x-ray technology that circles the body as the patient, lying on a moving, flat table, passes through a very shallow tunnel, commonly referred to as the "donut." The fast moving parts of the x-ray source and detectors are within the donut and out of sight.

As the x-ray assembly rotates around the patient's body, the scanner produces images in thin slices which a computer reconstructs into sharp, three-dimensional (3D) images of the scanned body part. Doctors utilize this detailed view on the monitor to isolate small areas, view the area as a whole or manipulate the image on screen - turning it, zooming in, etc. This advanced technology enables them to confirm the presence, characteristics and/or precise location of tumors, blockages, abnormalities or other problems that may exist. 

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