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CT scan:see CAT scanCAT scan
[computerized axial tomography], X-ray technique that allows relatively safe, painless, and rapid diagnosis in previously inaccessible areas of the body; also called CT scan.
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CAT scan(Computer Axial Tomography) A series of X-rays that show the human body in slices. The X-ray mechanism, which surrounds the body, "inches" its way along the area being examined, taking multiple tomograms (slices). The computer is used to turn the tomograms into pictures. See tomography.
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