Background: Complete surgical resection remains the predominant treatment modality for primary gastrointestinal stromal tumors (GISTs). No therapeutic consensus exists for 2-5 cm gastric GISTs. We compared the efficacy, safety, and prognosis of laparoscopic and endoscopic surgeries in the treatment of relatively small (2-5 cm) intraluminal gastric GISTs.
Methods: We collected 101 patients with relatively small intraluminal gastric GISTs who had integrated clinicopathological data and underwent laparoscopic or endoscopic resection (laparoscopic group n = 66; endoscopic group n = 35). Clinicopathological characteristics, perioperative data, and long-term oncological outcomes were retrospectively analyzed. Comparative analysis of clinicopathological data in the two groups was performed by using a chi-square test, Fisher's exact test, and Student's t-test. Recurrence-free survival (RFS) was analyzed by the log-rank test.
Results: All clinicopathological characteristics had no significant difference between the two groups. Patients in the endoscopic group had shorter operation time (P < 0.001), postoperative hospital stay (P < 0.001), time to a liquid diet (P < 0.01), and time to a semi-liquid diet (P < 0.01), and lower hospital charges (P < 0.001), compared to those in the laparoscopic group. Four patients (6.1%) in the laparoscopic group and one patient (2.9%) in the endoscopic group had perioperative complications, but with no significant difference. Recurrence occurred in 6 patients (9.1%) and 2 patients (5.7%) in the laparoscopic and endoscopic groups, respectively. There was no significant difference in RFS between the two groups.
Conclusion: Endoscopic resection is a feasible and safe treatment modality for patients with relatively small (2-5 cm) intraluminal gastric GISTs. Due to faster recovery and lower cost, endoscopic resection is more suitable for elderly and weak patients, or patients with a poor financial situation.
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