Article Text

Download PDFPDF
Role of CT colonography in colorectal cancer screening: risks and benefits
  1. Christian P Pox1,
  2. Wolff Schmiegel1,2
  1. 1Department of Medicine, Ruhr-University Bochum, Bochum, Germany
  2. 2Department of Gastroenterology and Hepatology, Ruhr-University Bochum, Bochum, Germany
  1. Correspondence to Professor Wolff Schmiegel, Ruhr-Universität Bochum, Medizinische Klinik, Knappschaftskrankenhaus, In der Schornau 23–25, Bochum D-44892, Germany; meduni-kkh{at}


The purpose of this article is to review recent developments in the role of CT colonography with an emphasis on colorectal cancer screening. An introduction to the concept and method of CT colonography is given as well as a summary of the data on performance of CT colonography. Furthermore, details on side effects, efficacy and cost-effectiveness and the possible role of extracolonic findings are provided. The impact CTC could have on colonoscopy and other possible indications of the method are also mentioned.

  • CT-colonography
  • colorectal cancer screening
  • CT

Statistics from

Request Permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.


  • Competing interests None.

  • Provenance and peer review Not commissioned; externally peer reviewed.