computed tomographic colonography
noun
variants
also computerized tomographic colonography
or computed tomography colonography
: ct colonography
The radiologists have their own procedure—the computed tomographic colonography (CTC), or virtual colonoscopy. It uses X-rays and computers to produce multiple images of the inside of the colon.—
The Boston Globe
The Boston GlobeTests that detect both pre-cancerous polyps and cancer include colonoscopy, flexible sigmoidoscopy, double-contrast barium enema, and computerized tomographic colonography …—Food & Fitness Advisor
Food & Fitness AdvisorYou're right about the president having a virtual colonoscopy (which is a nickname; the more formal term is computed tomography colonography).—Robert J. Mayer, Harvard Health Letter
Robert J. Mayer, Harvard Health LetterCite this Entry
“Computed tomographic colonography.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/computed%20tomographic%20colonography. Accessed 4 Nov. 2025.
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