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目的 探讨腰椎管狭窄症的CT分型。材料与方法 对 745例腰椎管狭窄症的术前CT分型与手术结果进行对比分析。结果 CT分为 3型 ,Ⅰ型 :中心椎管狭窄型 ;Ⅱ型 :脊神经根管狭窄型 ;Ⅲ型 :混合型 (即Ⅰ、Ⅱ型并存 )。其中Ⅰ型 10 4例 (13 .96 % ) ,Ⅱ型 15 8例 (2 1.2 1% ) ,Ⅲ型 483例 (6 4.83 % )。CT分型与手术符合率为 92 .2 1% ,不符多见于Ⅲ型。结论 CT分型对腰椎管狭窄的手术治疗具有指导意义 ,值得推广应用
Objective To investigate CT classification of lumbar spinal stenosis. Materials and Methods 745 cases of lumbar spinal stenosis preoperative CT classification and surgical results were compared. Results CT was divided into type 3, type Ⅰ: central spinal stenosis type; type Ⅱ: spinal nerve root canal stenosis type; Ⅲ type: mixed type (that Ⅰ, Ⅱ co-exist). Among them, 104 (13.96%) were type I, 158 (21.1%) were type II and 483 (6.43%) were type III. The coincidence rate of CT classification and operation was 92.21%, which was more common in type Ⅲ. Conclusion CT classification of the surgical treatment of lumbar spinal stenosis has guiding significance, it is worth popularizing and applying