Intradural and Intramedullary Melanotic Schwannoma of the Lumbar Spine, After Spinal Anesthesia A case report At MRI, spinal melanotic schwannoma is usually located along a spinal nerve root, The presence of paramagnetic free radicals in melanin creates characteristic T1 hyperintensity and T2 hypointensity, any ddx? #radiology #radiologist # Psammomatous melanotic schwannoma a rare neck lump The Annals of The Royal College of Surgeons of England Local recurrence of melanocytoma of the cervical spine Acta Neurologica Belgica Springer Nature Link Malignant melanotic nerve sheath tumor Radiology Reference Article Radiopaedia.org