Health Topics A-to-Z

Computed Tomography (CT)

What Is It? Computed tomography, also called CT or CT scan, is a process that uses X-rays and computer technology to make cross-sectional images of the body. A series of X-ray pictures, each a thin slice, are put together in a computer to form a three-dimensional view of the inside of your body. If an X-ray is like looking at a photo of a heart, a CT scan is like looking at a…

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