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脑胶质瘤ADC值与病理分级的相关性研究 被引量:3

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摘要 目的:探讨磁共振扩散加权成像(DWI)的表面弥散系数(ADC)值对脑胶质瘤的诊断价值。方法:对43例病理证实的胶质瘤患者进行MRI平扫、增强和DWI,分别测量肿瘤的实质部分、肿瘤坏死囊变区、肿瘤周边区域及对侧相应部位正常脑白质的ADC值和相对ADC值。结果:①低级胶质瘤(1~2级)组的肿瘤实质部分的平均ADC值和rADC值均明显高于高级胶质瘤(3~4级)组(P<0.01)。②胶质瘤实质部分的ADC值和rADC值均与肿瘤组织的病理分级呈明显负相关(P均<0.01,r=-0.767和-0.792)。结论:ADC值与胶质瘤的病理分级有明显相关性,可作为胶质瘤术前评价的依据。
出处 《南京医科大学学报(自然科学版)》 CAS CSCD 北大核心 2009年第6期882-884,共3页 Journal of Nanjing Medical University(Natural Sciences)
基金 南京医科大学校基金项目(07NMU040) 淮安市科技局资助项目(HAS07030)
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