Cervical spinal angiography in midline spondylosis and herniations of intervertebral discs.

Three patients with clinical evidence of cervical myelopathy and degenerative osteoarthritis or herniation of intervertebral disc were studied with angiography. Angiography yielded information regarding the level of the most significant lesion better than did Pantopaque myelography when multiple lesions were present. Angiography also aided in differentiating hard central osteophytic from soft tissue encroachment on the spinal cord caused by herniation of a disc or thickening of the posterior longitudinal ligament. An occasional patient with cervical discogenic myelopathy suggested at multiple levels by myelography may benefit from the localization offered by angiography.