Stenosis of spinal canal;

椎管狭窄；

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Evaluate the clinical outcome of lumbar spinal canal stenosis treated by microendoscopic decompressive laminotomy with facet-preserving technique.

评估保留小关节镜的显微内窥镜减压开胸术治疗腰椎管狭窄症的临床效果。

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In OPLL patients with less than 60% spinal canal stenosis, dynamic factors should be considered for the occurrence of myelopathy.

在椎管狭窄<60%的OPLL中，动态因素应为脊髓病发生的影像因素。

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