The incidence (number of cases per year) of<unk>  is not known, but increasing use of MRI scans has led to increased recognition.
Posterior reversible encephalopathy syndrome
Viral encephalitis
Autoimmune encephalitis
Lymphocytic meningoradiculitis
Limbic encephalitis
Wernicke encephalopathy
Chronic traumatic encephalopathy
Hypertensive leukoencephalopathy