18F-sodium fluoride positron emission tomography
(… SOH-dee-um FLOOR-ide PAH-zih-tron ee-MIH-shun toh-MAH-gruh-fee) A procedure used to find out if cancer has spread to the bone. A small amount of a radioactive substance called 18F-sodium fluoride is injected into a vein. A PET scan is then used to make detailed pictures of the bones. Bones with cancer in them take up more 18F-sodium fluoride than normal bones do. Also called 18F-NaF PET and fluorine F 18-sodium fluoride PET.