Epidural venography: diagnosis of herniated lumbar intervertebral disc and other disease of the epidural space.

Epidural venography is a simple and safe procedure for the diagnosis of herniated intervertebral disc and other disease of the epidural space. It is especially useful in symptomatic patients with normal or equivocal myelographic findings. The accuracy rate of positive venograms is 88.2% in this series of 58 patients. Five illustrative cases are presented.