无骨性椎管狭窄，但是在下腰部和骶椎层面硬膜囊增宽。
No bony canal stenosis, but a widened dural sac at lower lumbar and sacral level.
目的：观察腰椎管减压、横突间或椎体间植骨脊柱融合和椎弓根螺钉内固定手术治疗退变性腰椎管狭窄合并节段性腰椎不稳定患者的效果。
Objective: to evaluate the efficacy of decompress laminectomy, pedicle screw fixation and posterior lumbar fusion in the treatment of degenerative lumbar spinal stenosis with segmental instability.
膝关节骨性关节炎合并无症状腰椎管狭窄组1例、膝关节骨性关节炎合并有症状腰椎管狭窄组2例全膝关节置换术后平均11个月行腰椎管减压术。
There were 1 patient in B group and 2 patients in C group were performed lumbar spinal canal decompression operation after mean 11 months of TKA.
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