结果：颈椎后纵韧带骨化症在X线平片和CT影像学上有特征性的表现。

Results:Ossification of the posterior longitudinal ligament has specific manifestation in X - ray and CT.

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目的探讨下颈椎不稳与颈椎后纵韧带骨化症(OPLL)早期发病的关系。

Objective To evaluate the effect of lower cervical instability on the onset of cervical ossification of the posterior longitudinal ligament (OPLL).

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目的：探讨后纵韧带骨化症(OPLL)的磁共振成像(MRI)信号特点及与病理的相关性。

Objective: we studied the relationship between the MRI features and pathology for ossification of the posterior longitudinal ligament (OPLL).

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