: 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
Eventually, Silva was connected with a doctor who would take her pain seriously, referring her to get an MRI and CT scan in October 2024.
—Vanessa Etienne, PEOPLE, 4 Feb. 2026
McKay, Robby, and Ogilvie turn him to find a deep wound — moving him around to get him a CT scan may have brushed off the clot that was stopping it from bleeding.
—Maggie Fremont, Vulture, 30 Jan. 2026
At trial, Smock presents a CT scan highlighting Kevin's injuries, the multiple fractures to his head.
—Peter Van Sant, CBS News, 27 Jan. 2026
After some unsuccessful attempts to ease her headache, Avery then underwent a CT scan.
—Isabella Backman, Hartford Courant, 27 Jan. 2026
One of their first steps was the elective CT scan to look for any calcium buildup in the arteries around the heart.
—Nicole Villalpando, Austin American Statesman, 8 Jan. 2026
The president agreed, and our team of consultants performed a CT scan.
—Naomi Lim, The Washington Examiner, 2 Jan. 2026
Woolery responded to a hospital, where a CT scan showed that Tate, who was right-handed, was shot in the right temple, the lawsuit said.
—Nathan Pilling, Kansas City Star, 21 Dec. 2025
Two days after an ultrasound identified the tumor, the Broncos’ medical staff scheduled a CT scan for Singleton.
—Luca Evans, Denver Post, 29 Nov. 2025
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Vanessa Etienne, PEOPLE, 4 Feb. 2026
McKay, Robby, and Ogilvie turn him to find a deep wound — moving him around to get him a CT scan may have brushed off the clot that was stopping it from bleeding.
—Maggie Fremont, Vulture, 30 Jan. 2026
At trial, Smock presents a CT scan highlighting Kevin's injuries, the multiple fractures to his head.
—Peter Van Sant, CBS News, 27 Jan. 2026
After some unsuccessful attempts to ease her headache, Avery then underwent a CT scan.
—Isabella Backman, Hartford Courant, 27 Jan. 2026
One of their first steps was the elective CT scan to look for any calcium buildup in the arteries around the heart.
—Nicole Villalpando, Austin American Statesman, 8 Jan. 2026
The president agreed, and our team of consultants performed a CT scan.
—Naomi Lim, The Washington Examiner, 2 Jan. 2026
Woolery responded to a hospital, where a CT scan showed that Tate, who was right-handed, was shot in the right temple, the lawsuit said.
—Nathan Pilling, Kansas City Star, 21 Dec. 2025
Two days after an ultrasound identified the tumor, the Broncos’ medical staff scheduled a CT scan for Singleton.
—Luca Evans, Denver Post, 29 Nov. 2025
Cite this Entry
“CT scan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/CT%20scan. Accessed 11 Feb. 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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