Malignant Melanotic Schwannoma of the Spine Eurorad Spinal intramedullary schwannomasreport of a case and extensive review of the literature Neurosurgical Review Springer Nature Link Intradural and Intramedullary Melanotic Schwannoma of the Lumbar Spine, After Spinal Anesthesia A case report Spinal Schwannoma Classification Based on the Presumed Origin With Preoperative Magnetic Resonance Images Psammomatous melanotic schwannoma a rare neck lump The Annals of The Royal College of Surgeons of England Malignant melanotic nerve sheath tumors in the spinal canal of psammomatous and non psammomatous type: Two case reports