Comparative study for predictability of type 1 gastric variceal rebleeding after endoscopic variceal ligation: High-frequency intraluminal ultrasound study

Figure 1 High-frequency intraluminal ultrasound images of post-endoscopic variceal ligation of type 1 gastric varices. The post-endoscopic variceal ligation sizes of varices were assessed according to the largest cross-sectional area (CSA). CSA was measured between the hypoechoic blood-filled lumen and the hyperechoic submucosa or mucosa. The dotted line indicates the largest CSA of the varix. The scale bar represents 10 mm.