A generally non-invasive method of colon examination in which the patient's colon is first inflated with gas, and then a plurality of cross-sectional images of the colon are taken by CT scanning along the longitudinal axis of the abdomen. Sets of data corresponding to each cross-sectional image are stored...http://www.google.fr/patents/US5458111?utm_source=gb-gplus-shareBrevet US5458111 - Computed tomographic colonoscopy