Neoplasms located in the space between the vertebral PERIOSTEUM and DURA MATER surrounding the SPINAL CORD. Tumors in this location are most often metastatic in origin and may cause neurologic deficits by mass effect on the spinal cord or nerve roots or by interfering with blood supply to the spinal cord.

Synonyms: Epidural Tumors Malignant Epidural Neoplasms Malignant Epidural Neoplasm Epidural Neoplasms Epidural Tumor Epidural Neoplasm, Malignant Epidural Neoplasm Epidural Neoplasms, Malignant Neoplasms, Epidural