NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,791 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

yttrium Y 90 ibritumomab tiuxetan
(IH-tree-um ... ih-brih-TOO-moh-mab ty-UK-seh-tan)
A drug used with the drug rituximab to treat certain types of B-cell non-Hodgkin lymphoma. It is also being studied in the treatment of other types of B-cell tumors. Yttrium Y 90 ibritumomab tiuxetan contains a monoclonal antibody that binds to a protein called CD20, which is found on B cells. It also contains a radioactive substance called yttrium Y 90, which may help kill cancer cells. Yttrium Y 90 ibritumomab tiuxetan is a type of radioimmunoconjugate. Also called IDEC-Y2B8, Y 90 ibritumomab tiuxetan, and Y 90 Zevalin.