Clinical characteristics of GAD 65 associated autoimmune encephalitis.

The course of GAD65 antibody-associated encephalitis is longer than other autoimmune encephalitides. The clinical symptoms of GAD 65 autoimmune encephalitis mainly manifested as chronic epilepsy, cerebellar ataxia, stiff-person syndrome, and limbic encephalitis, and combined with or without thyroid autoimmune diseases, type 1 diabetes, thymoma. A comprehensive understanding of the disease is a way to prevent misdiagnosis and delayed treatment.