Role of Nuclear Medicine in Y90 Radioembolization May 4, 2016 NucsRadiology Leave a comment Role of Nuclear Medicine in Y90 Radioembolization Background of the Procedure The liver has a dual blood supply, normally 75% of blood is supplied by the portal vein and 25% by the hepatic artery. Hepatic tumors, however, are primarily supplied by… NucsRadiology.com