Cervical myelography with metrizamide by suboccipital puncture.

Cervical myelography with metrizamide (Amipaque) by suboccipital puncture was performed in 125 patients. Side effects were insignificant and there was no discomfort for the patient. The maximum amount to be injected is 3.75 g metrizamide (1.5 g iodine), and care must be taken in order to keep the contrast medium out of the basal cisterns. No premedication was used and no signs of irritation of the central nervous system were observed. With this technique the spinal cord and the nerve-roots are well demonstrated.