<unk>  <unk> , also called CT colonography or CT pneumocolon) is the use of CT scanning or magnetic resonance imaging (MRI) to produce two- and three-dimensional images of the colon (large intestine), from the lowest part, the rectum, to the lower end of the small intestine, and to display the images on an electronic display device. The procedure is used to screen for colon cancer and polyps, and may detect diverticulosis. A<unk>  can provide 3D reconstructed endoluminal views of the bowel.<unk>  provides a secondary benefit of revealing diseases or abnormalities outside the colon.
Virtual colonoscopy
Stool test
Capsule endoscopy
Double-balloon enteroscopy
Fecal fat test
Stool guaiac test
Magnetic resonance enterography
Chromoendoscopy