(IH-tree-um Ã¢ÂÂ¦) A substance being studied in the treatment of some types of cancer. Yttrium Y 90 SMT 487 contains yttrium Y 90 (a radioactive form of the metal yttrium) attached to a molecule that binds to certain types of neuroendocrine tumors (tumors that come from cells that release hormones). The radioactivity from yttrium Y 90 may kill the cancer cells. Also called yttrium Y 90 edotreotide.
- Browse Related Terms: 18F-fluoromisonidazole, 18F-MISO, F-18 16 alpha-fluoroestradiol, F-18 FES, fluorine F 18 FEQA, FMISO, yttrium Y 90 DOTA-tyr3-octreotide, yttrium Y 90 edotreotide, yttrium Y 90 SMT 487