Abstract
Objective To evaluate the safety and effectiveness of EUS-assisted endoscopic trepanned resection-closure of small gastric stromal tumors originating from the muscularis propria layer. Methods Data of 61 patients with small gastric stromal tumors originating from the muscularis propria layer treated by EUS-assisted endoscopic trepanned resection-closure were retrospectively studied for operation completion, complication and follow-up results. Results All 61 patients with lesions of 5 to 12 mm in diameter achieved complete excision in one procedure by gastric wall full-thickness resection, with operation time of 25-45 min. Perforation was successfully closed with titanium clips after fastened in advance with only minor hemorrhage during surgery, and no hemorrhage occurred after the operation. The average length of hospitalization was 5-7 days. Pathology confirmed 61 cases of extremely low-grade or low-grade malignant gastrointestinal stromal tumors. The patients were followed up for 1 to 27 months, and no tumor residue or recurrence was observed. Conclusion It is safe and effective to use EUS-assisted endoscopic trepanned resection-closure, which could not only get the accurate pathologic diagnosis but also meet requirement of complete excision of small gastric stromal tumors originating from the muscularis propria layer. Key words: Ultrasonic endoscope; Endoscopic trepanned resection-closure; Gastric stromal tumors
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