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Submucosal tunneling endoscopic resection for upper gastrointestinal submucosal tumors originating from the muscularis propria layer

Wang, H.; Tan, Y.; Zhou, Y.; Wang, Y.; Li, C.; Zhou, J.; Duan, T.; Zhang, J.; Liu, D.

European Journal of Gastroenterology and Hepatology 27(7): 776-780

2015


ISSN/ISBN: 0954-691X
PMID: 25966671
DOI: 10.1097/meg.0000000000000394
Accession: 058926302

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To estimate the safety and efficacy of submucosal tunneling endoscopic resection (STER) for upper gastrointestinal submucosal tumors (SMTs) originating from the muscularis propria layer. During October 2011 and May 2014, a total of 80 patients with SMTs underwent STER at our hospital. A submucosal tunnel was created from 3-5 cm above the tumor. Endoscopic submucosal dissection of the SMT was performed, and then the mucosal incision was closed with several clips after the tumor was removed. All the 80 patients underwent STER successfully, with a mean operation time of 61.2 min. Eighty-three SMTs were removed; among these, 67 were located in the esophagus and 16 in the gastric cardia, 68 were leiomyoma, and 15 were gastrointestinal stromal tumors, and 13 had a diameter no less than 35 mm. The mean tumor size was 23.2 mm; en-bloc resection was performed in 97.6% (81/83) of the tumors. Complications were noted in 8.75% (7/80) of the cases, and all of them resolved without the need for additional surgery. No recurrence was noted during a mean follow-up of 10.2 months. STER appears to be a feasible, safe, and effective method for upper gastrointestinal SMTs originating from the muscularis propria layer, even when the size of the tumor was larger than 35 mm.