本文介绍１４例外侧性腰椎间盘突出和外侧性椎管狭窄．普通放射学检查诊断结果常不满意．文章简述了椎管的正常解剖并讨论了两种病症的发病原因和常见部位．特别指出ＣＴ和ＣＴＭ对此病的诊断正确率较高 This article describes 14 cases of lateral lumbar disc herniation and lateral spinal stenosis. Common radiological findings are often not satisfied with the diagnosis. The article briefly describes the normal anatomy of the spinal canal and discusses the etiology and common sites of the two conditions. In particular, CT and CTM diagnosis of the disease is correct