Gastric intramural hematoma accompanied by severe epigastric pain and hematemesis after endoscopic mucosal resection

Figure 2 Endoscopic mucosal resection. A: After injection of 15 mL saline, the whole nidus was lifted satisfactorily. However, an area of the uplifted mucosal layer was slightly blue; B: The lesion was successfully removed by high-frequency electrocoagulation, and a white wound was observed.