Single Biggest Cancer Dictionary in the World

What is yttrium Y 90 ibritumomab tiuxetan?

Pronunciation: /ˈɪtriəm waɪ ˈnaɪnti ibritumomab* tiuxetan*/

yttrium Y 90 ibritumomab tiuxetan

Definition

A radioimmunotherapeutic agent consisting of a murine monoclonal anti-CD20 antibody (ibritumomab) linked by the chelator tiuxetan to the radioisotope yttrium-90 (Y 90). Yttrium Y 90 ibritumomab tiuxetan binds to and specifically delivers beta radiation to CD20-expressing tumor cells, thereby minimizing the systemic effects of radiation.