The Role of CT Colonography as a Screening Tool for Colorectal Cancer

Vasantha Vasan, Cecelia Brewington

Research output: Contribution to journalArticlepeer-review

Abstract

Most colorectal cancers (CRC) are preventable through screening and polyp removal; however, CRC remains fixed as the second leading cause of cancer mortality in the USA. This is largely due to suboptimal screening participation. This review of current literature explores the use of CT colonography (CTC), also known as virtual colonoscopy, as another option for CRC screening. Relevant recent research topics include exploring the elimination of pre-procedure colon cleansing, the extension of recommended CTC screening intervals, the implications of extracolonic findings, and the significance of CTC radiation dose in a benefit/risk analysis. Peer-reviewed literature supports CTC as a viable option to safely screen average and moderate risk patients for CRC with polyps and cancer detection rates comparable to optical colonoscopy. CTC has the potential to raise CRC screening rates in population health management efforts.

Original languageEnglish (US)
Pages (from-to)1-9
Number of pages9
JournalCurrent Colorectal Cancer Reports
DOIs
StateAccepted/In press - Jun 20 2017

Keywords

  • Colon cancer screening
  • Colonoscopy
  • Colorectal cancer
  • CT colonography
  • CT colonoscopy risk/benefit
  • Population health screening
  • Stool tagging
  • Virtual colonoscopy

ASJC Scopus subject areas

  • Hepatology
  • Oncology
  • Gastroenterology

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