Optical Contrast Endoscopy: Is It Ready for Routine Use?

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Optical Contrast Endoscopy: Is It Ready for Routine Use? Jonathan Cohen Gastroenterology Volume 136, Issue 1, Pages 52-55 (January 2009) DOI: 10.1053/j.gastro.2008.11.053 Copyright © 2009 AGA Institute Terms and Conditions

Figure 1 Magnified NBI image of Barrett's esophagus demonstrating irregular mucosal and vascular pattern, features consistent with high grade dysplasia. (Reprinted with permission from Mike Wallace, Mayo Jacksonville and Herbert C. Wolfsen, Mayo Clinic Florida.) Gastroenterology 2009 136, 52-55DOI: (10.1053/j.gastro.2008.11.053) Copyright © 2009 AGA Institute Terms and Conditions

Figure 2 This retroflex image of high grade dysplasia in the cardia demonstrates an irregular mucosal topography with central depression. The NBI contrast also highlights thick and irregularly arrayed vessels. (Reprinted with permission from Mike Wallace, Mayo Jacksonville and Herbert C. Wolfsen, Mayo Clinic Florida.) Gastroenterology 2009 136, 52-55DOI: (10.1053/j.gastro.2008.11.053) Copyright © 2009 AGA Institute Terms and Conditions

Figure 3 Optical contrast greatly enhanced the ability to discern the lateral borders of this superficial gastric cancer before endoscopic submucosal dissection. Gastroenterology 2009 136, 52-55DOI: (10.1053/j.gastro.2008.11.053) Copyright © 2009 AGA Institute Terms and Conditions

Figure 4 Small polyp seen with NBI without magnification shows sharp contrast in color between the polyp and the surrounding tissue as well as the thick brown irregular mesh capillary pattern that indicate the diagnosis of tubular adenoma with high specificity. (Reprinted with permission from Blackwell-Wiley.) Gastroenterology 2009 136, 52-55DOI: (10.1053/j.gastro.2008.11.053) Copyright © 2009 AGA Institute Terms and Conditions