Medical Definition of Yttrium Y 90 ibritumomab tiuxetan

Yttrium Y 90 ibritumomab tiuxetan: An anticancer therapy that is a combination of the radioisotope yttrium-90 and a monoclonal antibody to produce substances that locate and bind to cancer cells. Also called IDEC-Y2B8 monoclonal antibody.

Last Editorial Review: 9/14/2016

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