: 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
Burak OzgurWhat 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
Adam Rogerscalled also CAT scan
see ct scanner
CT scanning
noun
Examples of CT scan in a Sentence
Recent Examples on the Web
Talley allegedly was able to hide a gun until a CT scan was about to be performed.
—Meredith Colias-Pete, Chicago Tribune, 28 May 2026
Fortunately for Fried and the Yankees, a CT scan, an MRI and multiple doctors determined that the pitcher’s ulnar collateral ligament is intact, and that surgery is unnecessary.
—Gary Phillips, New York Daily News, 25 May 2026
Within 30 minutes of her CT scan a month ago, Trina Gregory says, doctors flooded her hospital room.
—Amy Drew Thompson, The Orlando Sentinel, 23 May 2026
After undergoing a CT scan, he was shocked by the results.
—Vanessa Etienne, PEOPLE, 15 May 2026
OpenEvidence said that a CT scan was preferred to confirm that type of fracture and provided several links to papers with more information.
—Jared Perlo, NBC news, 13 May 2026
Cook County Assistant State's Attorney Mike Pekara said that after metal handcuffs were removed so a CT scan could be conducted, Talley reached under a blanket and fatally shot Officer John Bartholomew in the face.
—Michael Tobin, FOXNews.com, 7 May 2026
And that follow-up, a low-dose CT scan, showed the mass had grown.
—Armstrong Williams, Baltimore Sun, 1 May 2026
Talley removed his pants, but was given a gown and a blanket to wear during a CT scan.
—Sabrina Franza, CBS News, 30 Apr. 2026
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Meredith Colias-Pete, Chicago Tribune, 28 May 2026
Fortunately for Fried and the Yankees, a CT scan, an MRI and multiple doctors determined that the pitcher’s ulnar collateral ligament is intact, and that surgery is unnecessary.
—Gary Phillips, New York Daily News, 25 May 2026
Within 30 minutes of her CT scan a month ago, Trina Gregory says, doctors flooded her hospital room.
—Amy Drew Thompson, The Orlando Sentinel, 23 May 2026
After undergoing a CT scan, he was shocked by the results.
—Vanessa Etienne, PEOPLE, 15 May 2026
OpenEvidence said that a CT scan was preferred to confirm that type of fracture and provided several links to papers with more information.
—Jared Perlo, NBC news, 13 May 2026
Cook County Assistant State's Attorney Mike Pekara said that after metal handcuffs were removed so a CT scan could be conducted, Talley reached under a blanket and fatally shot Officer John Bartholomew in the face.
—Michael Tobin, FOXNews.com, 7 May 2026
And that follow-up, a low-dose CT scan, showed the mass had grown.
—Armstrong Williams, Baltimore Sun, 1 May 2026
Talley removed his pants, but was given a gown and a blanket to wear during a CT scan.
—Sabrina Franza, CBS News, 30 Apr. 2026
Cite this Entry
“CT scan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/CT%20scan. Accessed 1 Jun. 2026.
Copy CitationMedical Definition
CT scan
noun
: 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
David Wallis, The New York TimesThe CT scan showed dilation of the ventricles, the fluid-filled cavities in the brain.—Burak Ozgur, Discover
Burak Ozgur, DiscoverThe CT scan shows a large mass within the lumen of the ascending colon.—The New England Journal of Medicine
The New England Journal of MedicineWhat 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
Adam Rogers, Harvard Medical Health Lettercalled also CAT scan
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