malignant peripheral nerve sheath tumor
Pronunciation: (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: NCI Dictionary of Cancer Terms2003-09-24 Date last modified: 2007-03-19