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| Study and simulation experiment of tumors equivalent material |
| YUAN Shuyu, SUN Fuyin |
| Institute of Radiation Medicine, Chinese Academy of Medical Sciences and The Peking Union Medical College, Tianjin 0300192 China |
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Abstract Object:To simulate intratumor injection method of radionuclide therapy.The tumors equivalent material were studied and produced.Method: Dose distribution of 32P spherical source in liver cancer equivalent material and rat tumor were measured with thermoluminescence dosimeter.Results: Beta energy (about 60%) were absorbed between the 32P spherical source surface and 0.8mm.The problem of direct measurement of tumor dose distribution were solved with this method, and promote development of radionuclide therapy technique.
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Received: 13 September 1999
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