Computed Tomography Colonography: A Current Appraisal

Computed tomography (CT) colonography (CTC) is a specialized CT examination of the abdomen and pelvis in which imaging data, combined with advanced imaging software, provides a comprehensive, full structural evaluation of the colorectum using multiple types of image displays. CTC has been in development and in clinical trials since 1996. The radiology scientific literature is rich in reports of its advancement and effectiveness. The purpose of this article is to briefly update the reader on the current estimates of CTC performance, safety, patient acceptance, and other relevant clinical issues.