: 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
Following the fight, Pereira received a 180-day medical suspension, the maximum term, pending a clean maxillofacial CT scan for facial injuries.
—Brian Mazique, Forbes.com, 18 June 2026
Alex Pereira, who lost his interim heavyweight title bout to Ciryl Gane by TKO, was medically suspended for 180 days or until he’s cleared with a negative maxillofacial CT scan.
—Chuck Schilken, Los Angeles Times, 18 June 2026
As part of their workup, doctors ran a CT scan.
—Kerry Breen, CBS News, 13 June 2026
Other photos showed Obi undergoing his first CT scan, as well as before-and-after images of his second surgery.
—Gabrielle Rockson, PEOPLE, 12 June 2026
His CT scan Wednesday night came back clear.
—Zach Dean, FOXNews.com, 12 June 2026
This time he was referred to the vascular clinic by the New England Center and Home for Veterans to follow up on CT scan results.
—Elizabeth Cooney, STAT, 8 June 2026
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
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Brian Mazique, Forbes.com, 18 June 2026
Alex Pereira, who lost his interim heavyweight title bout to Ciryl Gane by TKO, was medically suspended for 180 days or until he’s cleared with a negative maxillofacial CT scan.
—Chuck Schilken, Los Angeles Times, 18 June 2026
As part of their workup, doctors ran a CT scan.
—Kerry Breen, CBS News, 13 June 2026
Other photos showed Obi undergoing his first CT scan, as well as before-and-after images of his second surgery.
—Gabrielle Rockson, PEOPLE, 12 June 2026
His CT scan Wednesday night came back clear.
—Zach Dean, FOXNews.com, 12 June 2026
This time he was referred to the vascular clinic by the New England Center and Home for Veterans to follow up on CT scan results.
—Elizabeth Cooney, STAT, 8 June 2026
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
Cite this Entry
“CT scan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/CT%20scan. Accessed 21 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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