Adult Malignant Peripheral Nerve Sheath Tumor

**Semantic type:** Neoplastic Process

**Definition:** A malignant peripheral nerve sheath tumor occurring during adulthood.

**Synonyms:** - Adult MPNST - Adult Malignant Neoplasm of Peripheral Nerve Sheath - Adult Malignant Neoplasm of the Peripheral Nerve Sheath - Adult Malignant Neurilemmoma - Adult Malignant Peripheral Nerve Sheath Neoplasm - Adult Malignant Schwannoma - Adult Malignant Tumor of Peripheral Nerve Sheath - Adult Malignant Tumor of the Peripheral Nerve Sheath - Malignant Peripheral Nerve Sheath Tumor