May Be Caused by

Acute disseminated encephalomyelitis

Behçet disease

Deep white matter ischemia

Diffuse axonal injury

Diffuse necrotizing leukoencephalopathy

Ependymitis granularis

Lacunar infarction

Leukodystrophies

Lymphoma

Migraine

Mucopolysaccharidosis

Multiple sclerosis

Postviral leukoencephalopathy

Progressive multifocal leukoencephalopathy

Radiation injury

Sickle cell disease

Subacute white matter encephalitis

Systemic lupus erythematosus

Toxoplasmosis

Transependymal CSF flow

Vasculitis

Virchow-Robin spaces