There was a personnel medical history of neurofibromatosis type 1 (NF1) in one case with anti-NMDAR encephalitis, epileptic encephalopathy in 1 case with anti-Ma2 encephalitis, and febrile seizure in one case with anti-GAD65 encephalitis. The gene discussed is PNMA2; the disease is neurofibromatosis type 1.