Endoscopic therapy for gastric stromal tumors originating from the muscularis propria

Figure 3 Endoscopic full-thickness resection treatment for a gastric stromal tumor originating from the muscularis propria larger than 1. 2 cm. A: Submucosa lesion at the gastric corpus; B: Endoscopic ultrasound shows that the lesion originates from the muscularis propria; C: Submucosal injection of the mixture of indicarminum, adrenalin and physiological saline; D: Dissection with an IT knife; E: “Artificial” perforation after gastric stromal tumor resection, closed with metal clips; F: Many clips used to close the wound defect; G: The resected tumor without mucosa (5 cm in size); H: The perforation healed 9 d after endoscopic full-thickness resection.