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CT scan

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noun \ˌsē-ˈtē-\

Definition of CT scan

CT scanner

noun


Origin and Etymology of ct scan

computerized tomography


First Known Use: 1974


Medical Dictionary

CT scan

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noun \(ˈ)sē-ˈtē-\

Medical Definition of CT scan

  1. :  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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  1. Medical Dictionary: Definition of CT scan


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