What is time interval between two consecutive colon cancer screenings? Is it best to alternate virtual colonoscopy with flexible sigmoidoscopy for colorectal cancer screening? What to do if a small polyp is found during colonoscopy? Leading virtual colonoscopy screening expert discusses CT colonography (virtual colonoscopy)
How often do you need to be screened for colorectal cancer? CT colonography or virtual colonoscopy is one of the best tests to find early colon cancer in time for cure. Colon Cancer Screening Guidelines recommend screening of those over 50 years of age every 5 to 10 years. Colon cancer screening: weighing the options is important but regular screening must be done.