Malignant Melanotic Psammomatous Peripheral Nerve Sheath Tumor

**Semantic type:** Neoplastic Process

**Definition:** A malignant peripheral nerve sheath tumor characterized by the presence of malignant cells that contain melanin and formation of psammoma bodies.

**Synonyms:** - Melanocytic Psammomatous MPNST - Melanocytic Psammomatous Malignant Peripheral Nerve Sheath Tumor - Melanotic Psammomatous Malignant Peripheral Nerve Sheath Tumor - Melanotic psammomatous MPNST