Computer-aided diagnosis (CAD) systems are software algorithms designed to assist
radiologists (or other practitioners) in solving a diagnostic problem by using a visual prompt
(or “CAD mark”) to direct the observer towards potential pathology. CT colonography is a
recent arrival to CAD, but could represent one of its most fruitful applications in the future. In
contrast to other organs, where a variety of different pathologies are equally represented,
significant colorectal pathologies other than polyps and cancer are relatively uncommon. As …