Origin and Etymology of ct scan
First Known Use: 1974
Medical Definition of CT scan
: a cross-sectional, three-dimensional image of an internal body part produced by computed tomography chiefly for diagnostic purposes <A CT scan detected a lesion on her jawbone …—David Wallis, The New York Times, 21 May 2013> <The CT scan showed dilation of the ventricles, the fluid-filled cavities in the brain.—Burak Ozgur, Discover, August 2005> <The CT scan shows a large mass within the lumen of the ascending colon.—The New England Journal of Medicine, 22 Aug. 2002> <What distinguishes a CT scan from a conventional x-ray is its geometry. … Measurements are collected and assembled by a computer into images that correspond to anatomical slices of the body.—Adam Rogers, Harvard Medical Health Letter, February 1994>—called also CAT scan
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Medical Dictionary: Definition of CT scan
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