Ossification of spinal ligaments, such as ossification of ligamenta flava (OLF) and ossification of posterior longitudinal ligament in the cervical spine, is not common and usually asymptomatic.

• 摘要脊椎黄韧带的骨化通常是发生在胸椎下段，极少发生在颈椎，而合并同时存在颈椎的黄韧带及后纵韧带之钙化更是极为罕见，其通常会引起病人严重的颈髓病变。