Apart from tumors, other causes of sciatica-type pain in the absence of radiculopathy due to herniated nucleus pulposus include the following: arachnoiditis, discitis, hip disease, compartment ...

Radiculopathy is pain, paresthesias or both in the distribution of a nerve root (Fig 6). In this case, it is caused by nerve root irritation from an HNP. Each nerve root has a specific area of ...