Advanced diagnostic endoscopy in the upper gastrointestinal tract: a review of JGES core sessions.

We held 4 upper gastrointestinal tract advanced diagnostic endoscopy (ADE) sessions from the 89th to the 92nd Congress of the Japan Gastroenterological Endoscopy Society. The most common region addressed was the stomach in 25 presentations, followed by the esophagus in 23, duodenum in 5 and other in 1. Looking at techniques discussed, the most common image enhancement method discussed was narrow band imaging (NBI) in 29 presentations, blue laser imaging (BLI) and linked colour imaging (LCI) in 10 each, dual red imaging (DRI) in 3, and autofluorescence imaging (AFI) in 1. Furthermore, there were presentations of new techniques such as chrom-LCI and acetic acid-indigo carmine mixture LCI. There were also 6 presentations regarding probe based confocal laser endomicroscopy (pCLE), and 1 of endocytoscopy techniques. We also saw presentations of images of gastric subepithelial tumors within the submucosa, 3D endoscopy, the development of computer aided detection (CAD) systems for early cancers, and fluorescent imaging.