Nerve sheath tumor | |
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Classification and external resources | |
ICD-O | 9540-9570 |
MeSH | D018317 |
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.