What is white matter?

White matter disease, clinical common is primary immune mediated inflammatory demyelinating disease of central nervous system. Idiopathic inflammatory demyelinating diseases of central nervous system (CNS) are a group of diseases related to autoimmunity in etiology, mainly demyelination and inflammation of CNS in pathology. Common diseases include multiple sclerosis, optic neuromylitis (NMO), concentric sclerosis (balo disease), disseminated encephalomyelitis (DEM), clinical isolated syndrome (CIS), tumor-like inflammatory demyelinating disease (TIDD), etc. The common clinical manifestations of this disease include decreased vision, numbness of limbs, weakness of limbs, and defecation disorders.