Journal of Digestive Cancer Research

Korean Society of Gastrointestinal Cancer Research (대한소화기암연구학회)
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Endoscopic Management of Gastric Subepithelial Tumor

위상피하종양의 내시경적 진단 및 치료

  • Hyunchul Lim (Department of Internal Medicine, Yongin Severance Hospital, Yonsei University College of Medicine)
  • 임현철 (연세대학교 의과대학 용인세브란스병원 내과학교실)
  • Received : 2022.05.06
  • Accepted : 2022.05.20
  • Published : 2022.06.01
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Abstract

Diagnosis of gastric subepithelial tumors (SETs) is sometimes difficult with conventional endoscopy or tissue sampling with standard biopsy, so non-invasive imaging modalities such as endoscopic ultrasound (EUS) and computed tomography are used to evaluate the characteristics of SETs features (size, location, originating layer, echogenicity, shape). However imaging modalities alone is not able to distinguish among all types of SETs, so histology is the gold standard for obtaining the final diagnosis. For tissue sampling, mucosal cutting biopsy and mucosal incision-assisted biopsy and EUS-guided fine-needle aspiration or biopsy (EUS-FNA or EUS-FNB) is commonly recommended. Endoscopic mucosal resection (EMR) and endoscopic submucosal dissection (ESD) are used for resection of SETs involving the mucosal and superficial submucosal layers, could not treat adequately and safely the SETs involving the deep mucosa and muscularis propria. Submucosal tunneling endoscopic resection (STER) and endoscopic full-thickness resection (EFTR) is used as a therapeutic option for the treatment of SETs with the development of reliable endoscopic closure techniques and tools.

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References

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