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Dictionary of Cancer Terms

View in Spanish: Itrio Y 90 SMT 487

Yttrium Y 90 SMT 487 (IH-tree-um …)
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 DOTA-tyr3-octreotide and yttrium Y 90 edotreotide.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.