磁共振扩散峰度成像对腰椎间盘退变的诊断价值

被引:13
作者
曾菲菲 [1 ]
查云飞 [1 ,2 ]
胡磊 [1 ]
林苑 [1 ]
龚威 [1 ]
陈翩翩 [1 ]
柳柏玉 [1 ]
陆雪松 [2 ,3 ]
机构
[1] 武汉大学人民医院放射科
[2] 医学信息分析及肿瘤诊疗湖北省重点实验室
[3] 中南民族大学生物医学工程学院
关键词
椎间盘退化; 腰椎; 扩散峰度成像; 磁共振成像;
D O I
暂无
中图分类号
R445.2 [核磁共振成像]; R681.53 [];
学科分类号
100231 [临床病理学];
摘要
目的探讨扩散峰度成像(diffusion kurtosis imaging,DKI)定量参数对腰椎间盘退变的诊断价值。材料与方法选择81例受检者进行腰椎矢状位常规T2WI及DKI成像,对腰椎间盘进行Pfirrmann分级,并分析腰椎间盘髓核DKI参数平均扩散峰度(mean kurtosis,MK)、平均扩散系数(mean diffusivity,MD)值,与Pfirrmann分级、椎间盘节段及受试者性别的关系。结果 MK值与Pfirrmann分级呈显著正相关(r=0.922,P<0.01),MD值与Pfirrmann分级呈显著负相关(r=-0.921,P<0.01)。L5/S1节段MK值(0.89±0.32)明显高于L1/L2(0.82±0.14)、L2/L3(0.8 4±0.2 3)(P<0.0 5),L5/S1节段M D值(1.8 3±0.3 2)低于L1/L2(1.89±0.14)、L2/L3(1.86±0.19)(P<0.05);各节段椎间盘MK及MD值性别差异无统计学意义(P>0.05)。结论 DKI成像可用于定量评价早期椎间盘退变,MK及MD值与Pfirrmann分级、椎间盘节段具有相关性,而与性别差异无明显相关性。
引用
收藏
页码:113 / 116
页数:4
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