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体型特异性剂量估计之美国医学物理师学会第293号报告解读

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摘要 当前头部CT检查所受辐射剂量估算仍为设备输出剂量容积CT剂量指数(CTDIvol)。美国医学物理师学会(AAPM)先后发布了基于患者体型特点辐射剂量估计(SSDE)第204和220报告,但以上报告均未对头部辐射剂量估算中转换因子f进行单独测算。因此AAPM最近发布了专门针对头部SSDE估算第293号报告,通过物理测量和蒙特卡洛模拟最终得到综合拟合便于临床使用头部转换因子fH16。本文对AAPM第293报告内容进行详细解读以供临床快速准确估算头部CT受检者辐射剂量。
出处 《放射学实践》 北大核心 2020年第10期1221-1225,共5页 Radiologic Practice
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