 Butyl cyanoacrylate has been used to treat arteriovenous malformations by application of the glue into the abnormality through angiography.In gastroenterology, butyl cyanoacrylate is used to treat bleeding gastric varices, which are dilated veins that occur in the setting of liver cirrhosis or thrombosis of the splenic vein.The gastric varices are accessed by endoscopy, which uses a flexible fibre-optic camera to enter the stomach.