Decreased-purgation CT colonography: State of the art

Shmuel Y. Mahgerefteh, Arye Blachar, Shifra Fraifeld, Jacob Sosna*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

Abstract

In the setting of CT colonography (CTC), decreasing bowel preparation measures may help to optimize colorectal cancer screening compliance without compromising accuracy. Decreased-purgation or wholly noncathartic CTC, known as nonconventional CTC, may be accomplished in conjunction with fecal tagging. Image post-processing technologies such as electronic cleansing and computer-aided detection may boost accuracy and decrease the need for bowel preparation even further. We review pre-study preparation and image post-processing techniques that have been described in nonconventional- preparation CTC studies over the past 10 years. We explore in detail specific aspects of nonconventional cathartic and fecal tagging regimens, including substance, dose, and time frame of ingestion.

Original languageAmerican English
Pages (from-to)71-79
Number of pages9
JournalCurrent Colorectal Cancer Reports
Volume7
Issue number1
DOIs
StatePublished - Mar 2011
Externally publishedYes

Keywords

  • Bowel preparation
  • CT colonography
  • Catharsis
  • Colorectal cancer screening
  • Computer-aided detection
  • Electronic cleansing
  • Fecal tagging
  • Purgation
  • Spectral cleansing
  • Virtual colonoscopy
  • Virtual tagging

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