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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[Objective]To evaluate the clinical outcome of lumbar spinal canal stenosis treated by microendoscopic decompressive laminotomy with facet-preserving technique.