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Home >Information for Patients > Dictionary Index

Dictionary of Cancer Terms

View in Spanish: Colonoscopía virtual

Virtual colonoscopy (VURCH-wul KOH-luh-NOS-koh-pee)
A method to examine the inside of the colon by taking a series of x-rays. A computer is used to make 2-dimensional (2-D) and 3-D pictures of the colon from these x-rays. The pictures can be saved, changed to give better viewing angles, and reviewed after the procedure, even years later. Also called computed tomographic colonography, computed tomography colonography, CT colonography, and CTC.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.