“单光子发射计算机断层成像”的概念、定义、翻译、参考文献-科学参考

单词	单光子发射计算机断层成像
释义	单光子发射计算机断层成像 Encyclopedia 工学脑功能成像释 single-photon emission computed tomography; SPECT单光子发射计算机断层成像使用一种特殊类型的计算机断层扫描技术，在体外检测注入静脉内少量放射性核素在其流入组织过程中经放射性衰变时产生的γ光子的浓度分布，进而从细胞水平上获得生物学活性信息的核医学影像技术。
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