Abstract: APPLICATION OF RADIONUCLIDE IMAGING IN OSTEOSARCOMA DIAGNOSIS AND THERAPY Peng Jingjing\ Cai Youbo\ Zhang Qing(Beijing Jishuitan Hospital, 100035)Abstract The application of radionuclides 99Tcm MDP,201Tl and 18FFDG in osteosarcoma diagnosis an d therapy are introduced. Understanding these methods is advantageous to improvi ng treatment and research processing level in China.Keywords\ osteosarcoma\ 99TcmMDP\ 201 Tl\ 18FFDG radionuclide imaging