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目的：探讨腰椎管狭窄症的CT分型并进行临床评价。材料与方法：对745例腰椎管狭窄症术前CT分型与手术结果进行对比分析。结果：CT分为三型，Ⅰ型：中心椎管狭窄型；Ⅱ型：脊神经根管狭窄型（即侧椎管狭窄型）；Ⅲ型：混合型，Ⅰ、Ⅱ型并存。其中Ⅰ型104例（13．96％）；Ⅱ型158例（21．21％）；Ⅲ型483例（64．83％）。CT分型与手术符合率为92．21％，不符合者多见于Ⅱ型。结论：CT分型对腰椎管狭窄症的手术治疗具有指导意义。
Objective: To investigate CT classification of lumbar spinal stenosis and evaluate its clinical value. Materials and Methods: The preoperative CT classification of 745 patients with lumbar spinal stenosis was compared with the surgical results. Results: CT was divided into three types, type Ⅰ: central spinal stenosis type; type Ⅱ: spinal nerve root canal stenosis type (that is, lateral spinal stenosis type); Ⅲ type: mixed type, Ⅰ, Ⅱ coexist. Among them, 104 were type I (13.96%), 158 were type II (21.21%) and 483 were type III (64.83%). The coincidence rate of CT classification and operation was 92.21%, which was more common in type Ⅱ than those who did not. Conclusion: CT classification is instructive for the surgical treatment of lumbar spinal stenosis.