Water-pocket endoscopic submucosal dissection for superficial gastric neoplasms (with video)

During endoscopic submucosal dissection (ESD), a clear view is essential for precise dissection of the appropriate submucosal layer. Some advantages have been reported for underwater techniques of endoscopic resection in comparison with the gas insufflation method. We have developed a new ESD method with the creation of a local water-pocket that provides a clear view in the dissection field. Therefore, we aimed to investigate the feasibility and safety of water-pocket ESD (WP-ESD) for superficial gastric neoplasms.

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