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NCI Drug Dictionary


yttrium-90 polycarbonate brachytherapy plaque 
A polycarbonate-based semicylindrical plaque impregnated with yttrium Y 90 with radioisotopic and antineoplastic activities. An yttrium-90 polycarbonate brachytherapy plaque may be applied to a tumor site with a special brachytherapy applicator for a predetermined interval of time, selectively delivering a cytotoxic dose of beta-emitting yttrium Y 90. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)