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Virtual Colonoscopy is the examination of the body and internal organs by high speed computer X-ray through the abdomen. The software creates a 3D virtual image of the colon with minute details without the need for insertion of the colonoscope through the anus. The accuracy of virtual colonoscopy highly depends on colon preparation. Limited consumption of food and use of a laxative to clear up the colon are necessary for clear images for computer analysis. Besides producing virtual images, the procedure can help the doctor screen for polyps within the colon. Virtual colonoscopy and provide an instant and accurate diagnosis similar to that produced by traditional colonoscopy.