Objective To investigate the safety and efficacy of endoscopic subserosal dissection (ESSD)for patients with upper gastrointestinal submucosal tumors. Methods A retrospective study was performed on the data of 6 patients with submucosal tumor undergoing ESSD in Nanjing Drum Tower Hospital from October 2016 to February 2017. The surgery time, surgical success rate, postoperative pathology and complications were analyzed. Results All patients successfully completed surgery. One patient had serosal perforation. The mean diameter of tumor was 27.5±10.0 mm. The mean surgery time was 49±18 min. The postoperative pathology of lesions was very low risk stromal tumor. No serious complications occurred. Conclusion ESSD is safe and reliable for patients with tumor originated from muscularis propria.
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