Giant lumbar spinal schwannoma: a case report and literature review ScienceDirect Spotty skin pigmentation and multiple blue naevi as cutaneous markers for spinal melanotic schwannoma BMJ Case Reports Pathology Outlines Malignant melanotic nerve sheath tumor Spotty skin pigmentation and multiple blue naevi as cutaneous markers for spinal melanotic schwannoma BMJ Case Reports Figure: Biopsy proven spinal schwannoma. The lesion is well defined, Download Scientific Diagram 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 #