We made a report on sixteen cases with ossification of the posterior longitudinal ligament of the cervical spine.
The age ranged from twenty to sixty-eight; twelve were male and four were female. Radiculopathy was found in six cases and myelopathy in ten cases. The pathogenesis of this condition could not be clarified.
Four cases with radiculopathy and myelopathy were applied to anterior spinal fusion by Cloward's or Robinson's method.
Their postoperative courses were quite satisfactory.
