Symptomatic ossification of the posterior longitudinal ligament of the cervical spine

Abstract
Article abstract Eight patients with ossification of the posterior longitudinal ligament of the cervical spine but without cervical spondylosis are described. Seven of them showed clinical signs of long tract involvement of the spinal cord. Fifty-nine male patients with ossification associated with cervical spondylosis were compared syrnptornatologic;ally and roentgenologically with 52 male patients with cervical spondylosis alone. A significantly higher incidence of cord signs and smaller average sagittal diameters of the cervical bony spinal canal were obtained in the group with ossification associated with cervical spondylosis.

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