Conclusion Thin slice CT scanning and observation combined bone window with soft tissue window can accurately diagnose the degenerative changes within lumbar zygapophysis .

结论CT薄层扫描，骨窗和软组织窗同时观察是 提高 腰椎 小 关节 退变诊断准确 率 的 有效 方法。

Objective To investigate the usefulness of CT in detecting the degenerative change within lumbar zygapophysis .

目的研究CT对 腰椎 小 关节 退变的应用价值。