Example image of eyePlorer eyePlorer map for 'Lhermitte's sign': Medulla oblongata Arnold-Chiari malformation Behçet's disease Multiple sclerosis Myelopathy Spinal cord compression Spinal disc herniation Spondylosis Subacute combined degeneration of spinal cord Vitamin B12 Nitrous oxide Medical sign Symptom Jean Lhermitte Basilar invagination Multiple sclerosis signs and symptoms Treatment of multiple sclerosis