Improving our Understanding of the Management and Pathogenesis of Rare and Neglected Tumors of the Central and Peripheral Nervous System Frontiers Research Topic Melanotic Schwannomas Pigmented schwannomas represent the hallmark of Download Scientific Diagram Malignant melanotic nerve sheath tumors in the spinal canal of psammomatous and non psammomatous type: Two case reports Malignant melanotic nerve sheath tumor with PRKAR1A, KMT2C and GNAQ mutations Frontiers Case Report: Anlotinib combined with radiotherapy achieves sustained disease control in advanced malignant melanotic nerve sheath tumor