【关键词】  后纵韧带骨化

     后纵韧带骨化是机体在诸多因素作用下于后纵韧带出现异位骨结构形成。可引起椎管、椎间孔狭窄，压迫脊髓、神经根，临床上出现脊髓损害及神经根刺激症状，即后纵韧带骨化症(ossification of posterior longitudinal ligament，OPLL)。OPLL多发于颈椎，胸椎较少，鲜见于腰椎。本文就近年来后纵韧带骨化发生机制研究进展做一综述。

    1  OPLL病
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