腰椎间盘突出症X线平片椎间盘后缘轮廓征的诊断意义
X线摄影,X线计算机体层成像
【中图分类号】R681.5+3【文献标识码】A【文章编号】1005-2720(2009)05-0156-02【摘要】目的：回顾性分析腰椎间盘突出症患者的腰椎平片特点，旨在提高腰椎平片椎间盘后缘轮廓征对该病的诊断价值。方法：总结60例腰椎间盘突出患者X线表现特点，以腰椎间盘CT扫描结果作为参照标准进行分析。结果：60例腰椎CT检查显示椎间盘突出共60个，其中向后46个(76.7%)。60例腰椎平片出现椎间盘后缘轮廓征31个，占CT所示椎间盘向后突出总数67.4%(31/46)，且29个此征的垂直距离≥0.2cm，占其比率93.5%。结论：腰椎平片显示椎间盘后缘轮廓征具有较大价值，且距离≥0.2cm可以作为X线平片诊断腰椎间盘突出的一个重要征象。
【关键词】腰椎间盘突出；X线摄影；X线计算机体层成像
The X-ray diagnositc value of the posterior contour sign in lumbar disc herniation.Jiang Wenzhang.(The third hospital of Quanzhou，Fujian 362000 China)
【Abstract】Objective：To explore the X-ray diagnositic value of the posterior contour sign in patients with lumbar disc herniation (LDH).Methods：Lumber plain films and CT scans were performed in 60 cases of LDH，imaging characteristics of X-ray and CT manifestations of LDH were reviewed.Results：LDH in 46 of lumbar intervertebral discs were discovered on CT scans ......
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