A nerve sheath tumor is a type of tumor of the nervous system (nervous system neoplasm) which is made up primarily of the myelin surrounding nerves.
A peripheral nerve sheath tumor (PNST) is a nerve sheath tumor in the peripheral nervous system. Benign peripheral nerve sheath tumors include schwannomas and neurofibromas.
A malignant peripheral nerve sheath tumor (MPNST) is a cancerous peripheral nerve sheath tumor.
- ^ http://ccrcal.org/PDF/CNSICD-O-3Codes.pdf
- ^ "Spinal Cord Tumors -- Nerve Sheath Tumors (Schwannomas and Neurofibromas)". Retrieved 2007-08-06.