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CT Colonography Can Be an Adjunct to Optical Colonoscopy in CRC Screening

Abstract

CT colonography or virtual colonoscopy is a fairly new modality that has the potential to play a significant role in screening for colon cancer. CT colonography is an attractive option for two specific reasons. First, it is non-invasive and, second, it obviates the need for sedation. It thus overcomes the two major drawbacks of optical colonoscopy. CT colonography cannot be a stand-alone technique for colorectal cancer screening because, unlike conventional colonoscopy, it does not possess a therapeutic option or a definite diagnostic capability. However, CT colonography can be a cost-effective complement to traditional colonoscopy if it is reasonably priced and if appropriate cut-off levels (>6 mm polyp) are used to increase its sensitivity.

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Correspondence to Vivek V. Gumaste.

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Gumaste, V.V. CT Colonography Can Be an Adjunct to Optical Colonoscopy in CRC Screening. Dig Dis Sci 54, 212–217 (2009). https://doi.org/10.1007/s10620-008-0360-5

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  • DOI: https://doi.org/10.1007/s10620-008-0360-5

Keywords

  • CRC screening
  • CT colonography
  • Virtual colonoscopy