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为探讨下腰段椎间盘高度变化的规律在腰椎间盘突出症 X线诊断中的意义 ,对 80例腰椎间盘突出症病人和 30名无腰腿痛症状的青年学生进行 CT检查 ,并对其 X线平片腰椎间隙高度及高度比值进行了测量和分析对比。结果显示 ,观察组 92 .5 %的病人 L4～ 5 椎间隙后缘高度小于或等于 L3～ 4椎间隙 ,对照组仅 6 .7% ;观察组 93.8%的 L4～ 5 椎间隙前后高度之和小于或等于L3～ 4椎间隙前后高之和 ,对照组为 0 ;观察组 85 %的 L4～ 5 和 L3～ 4椎间隙前后高度比值不同 ,而对照组则全部相同。表明腰椎间隙变窄后绝大部分存在着椎间盘突出 ,下腰段 X线检查 ,如 L4～ 5 椎间隙后高小于或等于 L3～ 4椎间隙 ,或出现椎间隙前高小于或等于后高 ,或各椎间隙高度的比值不相同 ,则是椎间盘突出的重要征象。
In order to explore the significance of the law of lower lobe disc height in X-ray diagnosis of lumbar disc herniation, 80 cases of lumbar disc herniation patients and 30 young students without lumbago symptoms were examined by CT, Lumbar intervertebral height and height ratio were measured and analyzed. The results showed that 92.5% of the patients in the observation group posterior margin of L4 ~ 5 intervertebral space less than or equal to L3 ~ 4 intervertebral space, the control group was only 6.7%; the observation group 93.8% L4 ~ 5 intervertebral space height Less than or equal to the sum of anteroposterior height of L3 ~ 4 intervertebral space, the control group was 0; the ratio of anterior and posterior height of L4 ~ 5 and L3 ~ 4 in 85% of the observation group was different, while the control group was all the same. Show that the lumbar disc space after the vast majority of disc herniation, lower lumbar X-ray examination, such as L4 ~ 5 intervertebral space height less than or equal to L3 ~ 4 intervertebral space, or the intervertebral space before the height of less than or equal to the post-high, or The ratio of disc height is not the same, it is an important sign of disc herniation.