结论：颈椎椎板切除术术后24小时的脊髓比2周更加倾向于向背侧移位。

Conclusion. The posterior shift of the spinal cord at 24 hours had a tendency to shift more posteriorly than that observed at 2 weeks after cervical laminoplasty.

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当椎板切除术累及高应力部位(颈2或颈7)，术前存在颈椎序列变化，小关节受累等可能影响术后颈椎曲度与活动度。

With preoperative cervical sequence changes, high-stress position (C2 or C7) and small joint involved, the postoperative cervical alignment and rang of motion may be affected.

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