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鼻咽癌颈部淋巴结转移放疗后磁共振的ADC值对预后的研究

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摘要 目的:探讨ADC值在鼻咽癌放疗后颈淋巴结转移DWI检查中的价值,并评估其预后。方法:收集52例鼻咽癌患者的MRI-DWI数据。所有患者在放疗前后分别进行MRI常规及DWI检查,采集100个转移淋巴结放疗前后的数据,比较放疗前后ADC值和最大横截面积S及其关系。结果:ADC值分别为(0.78±0.14)×10-3mm2·s-1和(1.17±0.19)×10-3mm2·s-1,放疗后扩散敏感系数增加,并且ADC值显着不同。S分别为168.70±108.48mm2,和139.49±89.53mm2,放疗后淋巴结S缩小,S的差异有统计学意义。结论:磁共振弥散加权成像序列能准确反映鼻咽癌放疗前后颈淋巴结转移的变化。其ADC值和最大截面积之间的变化关系可对患者的病情作具体的分析,对临床治疗有重要价值。
出处 《影像研究与医学应用》 2020年第8期165-166,共2页 Journal of Imaging Research and Medical Applications
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