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近年为了生产发射正电子的短半衰期放射性核素,而在医疗单位安装了超小型加速器。这些加速器生产~(11)C、~(13)N、~(15)O、~(18)F等放射性核素,这些核素可以标记体内构成物质及其类似物质,由于这些新的标记化合物的引入,描记体内生理学、生化学现象的新的显像法正在开发中。用发射正电子的核素,在体内描记其断层分布的方法叫正电子断层法,因用安装在医院内的加速器合成标记化合物,故称为加速器核医学。
In recent years, in order to produce positron-emitting, short-lived radionuclides, ultra-compact accelerometers have been installed in medical units. These accelerators produce ~ (11) C, ~ (13) N, ~ (15) O, ~ (18) F and other radionuclides that can label in vivo constituents and their analogues. Since these new labeled compounds The introduction of new imaging methods to delineate in vivo physiology and biochemistry are under development. Using positron-emitting radionuclides, the method of describing the distribution of the faults in the body is called positron emission tomography, which is called accelerator nuclear medicine because of the synthesis of a labeled compound by an accelerator installed in a hospital.