Noun
colonography (countable and uncountable, plural colonographies)
A virtual, non-invasive form of colonoscopy that uses computed tomography
CT colonography (also known as virtual colonoscopy or VC for short) may be as useful as a barium enema for detection of tumors, but may use a lower radiation dose. Source: Internet
If a growth or polyp is detected using CT colonography, a standard colonoscopy would still need to be performed. Source: Internet
It has more recently been used for preventive medicine or screening for disease, for example CT colonography for people with a high risk of colon cancer, or full-motion heart scans for people with high risk of heart disease. Source: Internet