b值范围对6种体部扩散模型在前列腺应用的影响评估
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周敏雄,戚轩,杜兵,齐东,王海杰,杨光,蔡文梅,刘孟潇,张会婷,严序,聂生东,何永胜
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Evaluation of the Impact of b-Value Ranges on Six Body Diffusion Models in Prostate Application
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ZHOU Minxiong,QI Xuan,DU Bin,QI Dong,WANG Haijie,YANG Guang,Cai Wenmei,LIU Mengxiao,ZHANG Huiting,YAN Xu,NIE Shengdong,HE Yongsheng
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表1 各b值方案扩散参数相关性分析
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Table 1 Correlation analysis of diffusion parameters between different b-value ranges
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| 扩散参数 | 前列腺增生 | | 前列腺癌 | | b0~1000 | b0~1500 | b0~2000 | b0~1000 | b0~1500 | b0~2000 | | Mono_D | 0.97 | 0.99 | 1.00 | | 0.98 | 0.99 | 1.00 | | DKI_D | 0.93 | 0.98 | 1.00 | | 0.77 | 0.94 | 0.99 | | DKI_K | 0.90 | 0.97 | 0.99 | | 0.93 | 0.95 | 0.99 | | IVIM_D | 0.96 | 0.99 | 1.00 | | 0.96 | 0.98 | 0.99 | | IVIM_D* | 0.86 | 0.96 | 0.98 | | 0.91 | 0.95 | 0.99 | | IVIM_f | 0.90 | 0.97 | 0.99 | | 0.89 | 0.96 | 0.99 | | SEM_α | 0.93 | 0.98 | 1.00 | | 0.97 | 0.99 | 1.00 | | SEM_DDC | 0.99 | 1.00 | 1.00 | | 0.96 | 0.99 | 1.00 | | FROC_β | 0.97 | 0.99 | 1.00 | | 0.89 | 0.96 | 0.99 | | FROC_μ | 0.91 | 0.97 | 0.99 | | 0.96 | 0.98 | 0.99 | | FROC_D | 0.98 | 1.00 | 1.00 | | 0.99 | 1.00 | 1.00 | | CTRW_α | 0.70 | 0.97 | 0.99 | | 0.88 | 0.98 | 1.00 | | CTRW_β | 1.00 | 1.00 | 1.00 | | 0.99 | 1.00 | 1.00 | | CTRW_D | 1.00 | 1.00 | 1.00 | | 1.00 | 1.00 | 1.00 |
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