Novel Endoscopic Approaches in Detecting Colorectal Neoplasia: Macroscopes, Microscopes, and Metal Detectors Anna M. Buchner, Michael B. Wallace Gastroenterology

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Novel Endoscopic Approaches in Detecting Colorectal Neoplasia: Macroscopes, Microscopes, and Metal Detectors Anna M. Buchner, Michael B. Wallace Gastroenterology Volume 135, Issue 4, Pages 1035-1037 (October 2008) DOI: 10.1053/j.gastro.2008.08.029 Copyright © 2008 AGA Institute Terms and Conditions

Figure The absorption spectrum of white light form a patients without and adenomatous polyps (red) and a different patients within 30 cm (but not on top of) an adenomatous polyp. This demonstrates significantly more absorption (lower signal intensity) of light, primarly by hemoglobin, in the region of a polyp suggesting a “field” effect of increased vascularity. Gastroenterology 2008 135, 1035-1037DOI: (10.1053/j.gastro.2008.08.029) Copyright © 2008 AGA Institute Terms and Conditions