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首页> 美国卫生研究院文献>Journal of Applied Clinical Medical Physics >Evaluation of organ doses and effective dose according to the ICRP Publication 110 reference male/female phantom and the modified ImPACT CT patient dosimetry
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Evaluation of organ doses and effective dose according to the ICRP Publication 110 reference male/female phantom and the modified ImPACT CT patient dosimetry

机译：根据ICRP出版物110参考的男性/女性体模和改良的ImPACT CT患者剂量测定法评估器官剂量和有效剂量

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We modified the Imaging Performance Assessment of CT scanners (ImPACT) to evaluate the organ doses and the effective dose based on the International Commission on Radiological Protection (ICRP) Publication 110 reference male/female phantom with the Aquilion ONE ViSION Edition scanner. To select the new CT scanner, the measurement results of the CTDI100,c and CTDI100,p for the 160 (head) and the 320 (body) mm polymethylmethacrylate phantoms, respectively, were entered on the Excel worksheet. To compute the organ doses and effective dose of the ICRP reference male/female phantom, the conversion factors obtained by comparison between the organ doses of different types of phantom were applied. The organ doses and the effective dose were almost identical for the ICRP reference male/female and modified ImPACT. The results of this study showed that, with the dose assessment of the ImPACT, the difference in sex influences only testes and ovaries. Because the MIRD‐5 phantom represents a partially hermaphrodite adult, the phantom has the dimensions of the male reference man including testes, ovaries, and uterus but no female breasts, whereas the ICRP male/female phantom includes whole‐body male and female anatomies based on high‐resolution anatomical datasets. The conversion factors can be used to estimate the doses of a male and a female accurately, and efficient dose assessment can be performed with the modified ImPACT.PACS number: 87.53.LY, 87.57.Q‐, 87.57.‐s
机译：我们修改了CT扫描仪的成像性能评估（ImPACT），以根据国际放射防护委员会（ICRP）出版物110参考的男性/女性体模和Aquilion ONE ViSION Edition扫描仪评估器官剂量和有效剂量。要选择新的CT扫描仪，请 CTDI 100 ， c 和 CTDI 100 ， p 在Excel工作表上分别输入了160（头部）和320（主体）毫米的聚甲基丙烯酸甲酯模型。为了计算ICRP参考男性/女性体模的器官剂量和有效剂量，应用了通过比较不同类型的体模的器官剂量而获得的转换因子。对于ICRP参考男性/女性和改良的ImPACT，器官剂量和有效剂量几乎相同。这项研究的结果表明，通过对ImPACT进行剂量评估，性别差异仅影响睾丸和卵巢。由于MIRD-5幻像代表部分雌雄同体的成年人，因此该幻像具有男性参照者的尺寸，包括睾丸，卵巢和子宫，但没有女性乳房，而ICRP男性/女性幻像包括基于全身的男性和女性解剖结构在高分辨率解剖数据集上。转换因子可用于准确估算男性和女性的剂量，并且可以使用修改后的ImPACT.PACS编号进行有效的剂量评估：87.53.LY，87.57.Q‐，87.57.‐s

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