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Endoscopy
DOI: 10.1055/a-2573-9069
Innovations and brief communications

The Safety and Efficacy of Endoscopic Intraperitoneal Subserosal Dissection for Gastric Submucosal Tumors with Extraluminal Growth Pattern

Li-Yun Ma
1   Endoscopy Center and Endoscopy Research Institute, Zhongshan Hospital Fudan University, Shanghai, China (Ringgold ID: RIN92323)
,
Keyi Guo
2   Endoscopy Center, Zhongshan Hospital Fudan University, Shanghai, China (Ringgold ID: RIN92323)
,
Xin-Yang Liu
2   Endoscopy Center, Zhongshan Hospital Fudan University, Shanghai, China (Ringgold ID: RIN92323)
,
Meng-Jiang He
2   Endoscopy Center, Zhongshan Hospital Fudan University, Shanghai, China (Ringgold ID: RIN92323)
,
Wei-Feng Chen
1   Endoscopy Center and Endoscopy Research Institute, Zhongshan Hospital Fudan University, Shanghai, China (Ringgold ID: RIN92323)
,
Sheng-Li Lin
2   Endoscopy Center, Zhongshan Hospital Fudan University, Shanghai, China (Ringgold ID: RIN92323)
,
Yaoyao Gong
3   Department of Gastroenterology, Jiangsu Province Hospital and Nanjing Medical University First Affiliated Hospital, Nanjing, China (Ringgold ID: RIN74734)
,
Ping-Hong Zhou
2   Endoscopy Center, Zhongshan Hospital Fudan University, Shanghai, China (Ringgold ID: RIN92323)
,
Jian-Wei Hu
1   Endoscopy Center and Endoscopy Research Institute, Zhongshan Hospital Fudan University, Shanghai, China (Ringgold ID: RIN92323)
› InstitutsangabenGefördert durch: Biomedical Support Project of Shanghai 21S31904000
Gefördert durch: China Postdoctoral Science Foundation 2023M730664

Clinical Trial: Registration number (trial ID): ChiCTR2200067022, Trial registry: Chinese Clinical Trial Registry (http://www.chictr.org/), Type of Study: Prospective single center study
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ABSTRACT Background and Aims: Endoscopic intraperitoneal subserosal dissection (EISD) has been reported to be a promising modified tunnel technique for gastric submucosal tumors (SMTs) with predominantly extraluminal growth pattern. Here we aim to evaluate the safety and efficacy of EISD for gastric extraluminal SMTs. Methods: We prospectively enrolled consecutive patients who underwent EISD for gastric extraluminal SMTs between October 2018 and March 2024. Clinicopathologic characteristics and procedure-related parameters were analyzed. Results: Ten patients with 11 gastric extraluminal SMTs were included. The mean longest and shortest diameters of specimens were 2.1 ± 0.9 cm (range, 0.5-4.0) and 1.8 ± 0.7 cm (range, 0.4-3.0), respectively. All SMTs (100.0%) were en-bloc resected, and ten SMTs (90.9%) were en-bloc retrieved. The mean resection time and suture time was 71.3 ± 37.4 min (range, 30-150) and 12.4 ± 10.1 min (range, 3-25). Two patients experienced type I mucosal injury in tumor site, and no major adverse events occurred. The mean postoperative hospital stay was 3.4 ± 0.8 days (range, 3-5). No recurrence or metastasis occurred during a mean follow-up period of 32.1 ± 18.8 months (range, 7-71). Conclusions: EISD appears to be a feasible and safe method for removing gastric extraluminal SMTs in selected patients.



Publikationsverlauf

Eingereicht: 09. Dezember 2024

Angenommen nach Revision: 02. April 2025

Accepted Manuscript online:
03. April 2025

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