目的比较单纯环锯减压柱状植骨与椎体次全切除植骨加内固定治疗脊髓型颈椎病的效果。

Objective:To compare the value between subtotal resection of vertebral body with internal fixation and simple trephine decompression in treatment of CSM.

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结论采用T -型锯将椎板整块切除后精确回植的椎管成形术，可恢复椎管正常解剖，操作安全，是一种新的治疗椎管内肿瘤的手术方法。

Conclusions Recapping laminoplasty with T-saw can provide precise anatomic reconstruction of the spinal canal with little risk, it's a new method to treat spinal tumor.

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