Malignant Melanotic Peripheral Nerve Sheath Tumor of the Mediastinum

**Semantic type:** Neoplastic Process

**Definition:** A rare variant of malignant peripheral nerve sheath tumor that arises from the mediastinum. It is characterized by the presence of malignant cells that contain melanin.

**Synonyms:** - Malignant Mediastinal Melanocytic Peripheral Nerve Sheath Tumor - Malignant Melanocytic Peripheral Nerve Sheath Tumor of Mediastinum - Mediastinal Melanocytic MPNST