Abstract
Lumbar radiculopathy may occur in the course of many diseases, but abnormalities or pathologic change of extradural vertebral venous plexus is a rare cause of the lumbar radiculopathy. We report a case of lumbar radiculopathy due to thrombolith of the extradural vertebral venous plexus diagnosed by CT and MRI and treated by hemilaminectomy and removal of thrombolith.