MRI对腰椎间盘源性疼痛的诊断价值研究

被引:13
作者
李杨
杜勇
杨汉丰
徐晓雪
张薇
机构
[1] 川北医学院附属医院放射科
关键词
椎间盘病变; 椎间盘造影; 磁共振成像; 腰痛;
D O I
暂无
中图分类号
R681.5 [脊柱及背疾病];
学科分类号
100220 [骨科学];
摘要
目的:以CT椎间盘造影诱发一致性疼痛为标准,分析MRI检查显示的纤维环后缘高信号区(HIZ)和椎间盘终板改变,明确MRI对腰椎间盘源性疼痛的诊断价值。方法:疑似腰椎间盘源性疼痛的患者66例行MRI检查,与CTD比较,分析MRI显示纤维环后缘高信号区(HIZ)、椎间盘终板改变和椎间盘造影预测盘源性疼痛的关系。结果:106个椎间盘行椎间盘造影,37个椎间盘为0级,16个为1级,32个为2级,21个为3级。50个产生一致性疼痛,纤维环破裂分级与椎间盘造影诱发一致性疼痛有显著的相关性(2=64.994,r=0.617,P<0.01)。21个腰椎间盘显示HIZ,HIZ预测疼痛的敏感度为28%,特异度为88%,阳性预测值为67%,阴性预测值为58%,HIZ与椎间盘造影诱发一致性疼痛有相关性(2=3.995,r=0.191,P<0.05)。16个腰椎间盘显示终板信号异常改变,预测疼痛的敏感度为30%,特异度为98%,阳性预测值为94%,阴性预测值为61%,终板信号改变与椎间盘造影诱发一致性疼痛有相关性(2=16.407,r=0.366,P<0.01)。结论:CT椎间盘造影是评价腰椎间盘源性疼痛重要的影像和疼痛程度评估的方法。MRI能显示椎间盘形态学改变,HIZ、终板信号改变均与椎间盘源性腰痛相关,是盘源性腰痛的重要征像。
引用
收藏
页码:103 / 106
页数:4
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