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目的 观察椎小关节变性及不稳与腰椎滑脱之间的关系。方法 分析 2 5例腰椎滑脱而未见椎弓峡部断裂患者的腰椎CT ,主要观察滑脱椎体小关节的情况。结果 椎小关节不同程度的退行性变 ,表现有关节突增生硬化、肥大及碎裂 ,椎小关节面毛糙、间隙狭窄、消失 ,小关节半脱位等。结论 部分腰椎滑脱仅与椎小关节变性不稳定变有关 ,CT可以清晰显示
Objective To observe the relationship between degeneration and instability of vertebral facet joint and lumbar spondylolisthesis. Methods Twenty-five patients with lumbar spondylolisthesis without lumbar spondylolisthesis were analyzed for lumbar spine CT, mainly to observe the spondylolisthesis. Results Vertebral facet joint degenerative changes to varying degrees, the performance of tubercle sclerosis, hypertrophy and fragmentation, spongy articular surface roughness, narrowing, disappearance, facet subluxation and so on. Conclusions Some lumbar spondylolisthesis is only related to the instability of degenerative facet joint degeneration, CT can clearly show