Electronic chromoendoscopy

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Presentation transcript:

Electronic chromoendoscopy Michael A. Manfredi, MD, Barham K. Abu Dayyeh, MD, MPH, Yasser M. Bhat, MD, Shailendra S. Chauhan, MD, Klaus T. Gottlieb, MD, MBA, Joo Ha Hwang, MD, PhD, Sri Komanduri, MD, Vani Konda, MD, Simon K. Lo, MD, John T. Maple, DO, Faris M. Murad, MD, Uzma D. Siddiqui, MD, Michael B. Wallace, MD, MPH, Subhas Banerjee, MD Gastrointestinal Endoscopy Volume 81, Issue 2, Pages 249-261 (February 2015) DOI: 10.1016/j.gie.2014.06.020 Copyright © 2015 Terms and Conditions

Figure 1 Narrow-band imaging is based on the penetration properties of light, which is directly proportional to wavelength. Gastrointestinal Endoscopy 2015 81, 249-261DOI: (10.1016/j.gie.2014.06.020) Copyright © 2015 Terms and Conditions

Figure 2 A, White-light imaging versus corresponding narrow-band imaging (NBI) of a colonic adenoma; capillaries appear brown, whereas deeper vessels appear cyan. B, White-light imaging versus corresponding NBI of the Barrett's esophagus. Gastrointestinal Endoscopy 2015 81, 249-261DOI: (10.1016/j.gie.2014.06.020) Copyright © 2015 Terms and Conditions

Figure 3 A, Flexible spectral imaging color enhancement method of image construction. (From FICE ATLAS Fujinon SEG-086-00 FICE ATLAS case files. Printed in Japan 2008.6.DA 5000). B, Conventional white-light image of the gastroesophageal junction. (From FICE ATLAS Fujinon.) C, Flexible spectral imaging color enhancement image of the gastroesophageal junction. (From FICE ATLAS Fujinon.) B, blue, CCD, charge-coupled device; G, green; R, red. Gastrointestinal Endoscopy 2015 81, 249-261DOI: (10.1016/j.gie.2014.06.020) Copyright © 2015 Terms and Conditions

Figure 3 A, Flexible spectral imaging color enhancement method of image construction. (From FICE ATLAS Fujinon SEG-086-00 FICE ATLAS case files. Printed in Japan 2008.6.DA 5000). B, Conventional white-light image of the gastroesophageal junction. (From FICE ATLAS Fujinon.) C, Flexible spectral imaging color enhancement image of the gastroesophageal junction. (From FICE ATLAS Fujinon.) B, blue, CCD, charge-coupled device; G, green; R, red. Gastrointestinal Endoscopy 2015 81, 249-261DOI: (10.1016/j.gie.2014.06.020) Copyright © 2015 Terms and Conditions

Figure 4 High-definition white-light endoscopy image (A) of a tubular adenoma and the corresponding i-SCAN surface enhancement (i-SCAN 1) (B), i-SCAN tone enhancement (i-SCAN 2) (C) of the same polyp. Image from PENTAX Web site. Gastrointestinal Endoscopy 2015 81, 249-261DOI: (10.1016/j.gie.2014.06.020) Copyright © 2015 Terms and Conditions