Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of CT colonography
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
CT colonography: Another name for virtual colonoscopy. The term CT colonography provides a more accurate description of the technique that employs computerized tomography (CT) but not a colonoscope. This scan may also be useful in detecting cancers outside the colon, such as renal, lung, and lymph node cancers.