Computed tomography and magnetic resonance colonography are new tools that apply advanced computer graphics software to volumetric computed tomography or magnetic resonance data in order to create both 2-dimensional and 3-dimensional images of the colon. With 3-dimensional images, an endoluminal perspective of the colon can be created that simulates an endoscopic view. Virtual colonoscopy refers to the virtual reality imaging that allows physicians to navigate through the simulated colonic views in the same way one looks at a luminal colonoscopic view with a fiberoptic device. These new techniques seem to offer advantages over current imaging technology and may prove to be of clinical use in the near future in the diagnosis of colorectal diseases.
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Davila et al. (2000) studied this question.
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