CT scan

noun
\ ˌsē-ˈtē- \

Definition of CT scan 

: a cross-sectional, three-dimensional image of an internal body part produced by computed tomography chiefly for diagnostic purposes The CT scan showed dilation of the ventricles, the fluid-filled cavities in the brain. —Burak Ozgur 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

called also CAT scan

— see ct scanner

Other words from CT scan

CT scanning noun

First Known Use of CT scan

1974, in the meaning defined above

History and Etymology for CT scan

computerized tomography

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The first known use of CT scan was in 1974

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CT scan

noun
\ (ˈ)sē-ˈtē- \

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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occurring twice a year or every two years

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