Modified endoscopic ultrasound-guided selective N-butyl-2-cyanoacrylate injections for gastric variceal hemorrhage in left-sided portal hypertension: A case report

Figure 3 Endoscopic ultrasound images. A: Endoscopic ultrasound revealed an enlarged portal vein; B: A confluence of gastric varices was identified and selected as the injection site (red arrow); C: Undiluted N-butyl-2-cyanoacrylate (red arrow) was injected into the selected gastric varix via a 22-gauge needle; D: Hyperechoic fillings (red arrow) and decreased blood flow signals were observed after injections.