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Revista chilena de cirugía

On-line version ISSN 0718-4026


MEJIA, Ricardo; SHARP, Joaquín; SAEZ, Josefina  and  SHARP, Allan. Submucosal tunneling endoscopic resection of a gastroesophageal junction leiomyoma: Report of a case. Rev Chil Cir [online]. 2018, vol.70, n.3, pp.281-284. ISSN 0718-4026.


Upper gastrointestinal submucosal tumors are potentially malignant lesions; so safe and efficient treatments are needed. In recent years, submucosal tunneling endoscopic resection (STER) has emerged as a novel therapeutic technique, with promising results.

Case report

47-year-old male patient, previously asymptomatic, who was found to have a subepithelial lesion at the gastroesophageal junction. Upper endoscopic ultrasound was compatible with a leiomyoma. He underwent STER to remove the tumor and recovered with any complications. The biopsy confirmed an esophageal leiomyoma.


STER has become a highly feasible and safe therapeutic option for submucosal tumors of the gastroesophageal junction. The challenge is to spread knowledge about this technique, to maximize patient's benefit.

Keywords : endoscopic resection; submucosal tumor; submucosal tunnelization.

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