Neurogenic Sarcoma (Malignant Peripheral Nerve Sheath Tumor) Basicmedical Key Malignant peripheral nerve sheath tumor of the maxila ScienceDirect Malignant melanotic nerve sheath tumors in the spinal canal of psammomatous and non psammomatous type: Two case reports Melanotic Neuroectodermal Tumor of Infancy Extramedullary malignant melanotic schwannoma of the spine: Case report and an up to date systematic review of the literature ScienceDirect Frontiers Case Report: Anlotinib combined with radiotherapy achieves sustained disease control in advanced malignant melanotic nerve sheath tumor