Colorectal Cancer: CT Colonography

Intervention of interest:

• Computed tomography (CT) colonography
• Conventional colonoscopy

Computed tomography colonography (CT colonography or CTC) is a minimally invasive
radiological technique used to provide images of the colon and rectum. CTC has been suggested as an alternative or as complementary to conventional colonoscopy and other population-based screening methods for colorectal cancer. Given that only 40%-60% of eligible patients undergo recommended screening for colorectal cancer, some commentators have suggested that the speed and relative ease of CTC compared to conventional colonoscopy might enhance patient compliance with screening recommendations

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