Chromoendoscopy and its alternatives for colonoscopy: Useful in the United States?

Claire Helbig, Douglas K. Rex

Research output: Contribution to journalReview article

6 Scopus citations

Abstract

American endoscopists have essentially ignored chromoendoscopy (dye spraying) in the colon and overwhelmingly perform white-light colonoscopy only. The published studies suggest that routine use of chromoendoscopy in Western populations will lead to identification of additional flat lesions. However, a number of these studies have design flawns. The author's interpretation of the existing data is that pancolonic chromoendoscopy to dectect flat and depressed lesions is not yet proven as a useful and therefore necessary adjunct to routine colonoscopic examination in non-inflammatory bowel disease patients in the United States. Chromoendoscopy, particularly combined with magnification, is very effective in delineating the pit pattern of polyps and in allowing real-time differentiation of adenomatous from non-adenomatous lesions. There might be a role for chromoendoscopy with high magnification in the delineation of unresected portions of lateral spreading tumors being removed by piecemeal polypectomy and in the evaluation of polypectomy scars during endoscopic follow-up. The authors suggest that US endoscopists begin to familiarize themselves with shape classification, and that they learn a method to determine histology in real time.

Original languageEnglish (US)
Pages (from-to)209-220
Number of pages12
JournalReviews in Gastroenterological Disorders
Volume6
Issue number4
StatePublished - Sep 1 2006

Keywords

  • Chromoendoscopy
  • Colonoscopy
  • Histology
  • Lesion
  • Pit pattern
  • Polyp
  • White-light endoscopy

ASJC Scopus subject areas

  • Gastroenterology

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