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Dictionary of Cancer Terms

View in Spanish: Tumor maligno de la vaina de los nervios periféricos

Malignant peripheral nerve sheath tumor (muh-LIG-nunt peh-RIH-feh-rul TOO-mer)
A type of soft tissue sarcoma that develops in cells that form a protective sheath (covering) around peripheral nerves, which are nerves that are outside of the central nervous system (brain and spinal cord). Also called MPNST.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.