Clinical Endoscopy

The Korean Society of Gastrointestinal Endoscopy (대한소화기내시경학회)
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Endoscopic resection of gastric gastrointestinal stromal tumor using clip-and-cut endoscopic full-thickness resection: a single-center, retrospective cohort in Korea

  • Yuri Kim (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine) ;
  • Ji Yong Ahn (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine) ;
  • Hwoon-Yong Jung (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine) ;
  • Seokin Kang (Department of Internal Medicine, Inje University Ilsan Paik Hospital, Inje University College of Medicine) ;
  • Ho June Song (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine) ;
  • Kee Don Choi (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine) ;
  • Do Hoon Kim (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine) ;
  • Jeong Hoon Lee (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine) ;
  • Hee Kyong Na (Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine) ;
  • Young Soo Park (Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine)
  • Received : 2023.05.31
  • Accepted : 2023.11.19
  • Published : 2024.05.30
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Abstract

Background/Aims: To overcome the technical limitations of classic endoscopic resection for gastric gastrointestinal stromal tumors (GISTs), various methods have been developed. In this study, we examined the role and feasibility of clip-and-cut procedures (clip-and-cut endoscopic full-thickness resection [cc-EFTR]) for gastric GISTs. Methods: Medical records of 83 patients diagnosed with GISTs after endoscopic resection between 2005 and 2021 were retrospectively reviewed. Moreover, clinical characteristics and outcomes were analyzed. Results: Endoscopic submucosal dissection (ESD) and cc-EFTR were performed in 51 and 32 patients, respectively. The GISTs were detected in the upper third of the stomach for ESD (52.9%) and cc-EFTR (90.6%). Within the cc-EFTR group, a majority of GISTs were located in the deep muscularis propria or serosal layer, accounting for 96.9%, as opposed to those in the ESD group (45.1%). The R0 resection rates were 51.0% and 84.4% in the ESD and cc-EFTR groups, respectively. Seven (8.4%) patients required surgical treatment (six patients underwent ESD and one underwent cc-EFTR,) due to residual tumor (n=5) and post-procedure adverse events (n=2). Patients undergoing R0 or R1 resection did not experience recurrence during a median 14-month follow-up period, except for one patient in the ESD group. Conclusions: cc-EFTR displayed a high R0 resection rate; therefore, it is a safe and effective therapeutic option for small gastric GISTs.

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References

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