Patient Stories Print Comprehensive testing leads to targeted treatment for rare autoimmune encephalitis antibodyWhat started as a persistent headache for Spencer Lodin soon devolved into slowed speech, seizures, and hallucinations, symptoms which stumped ER doctors into thinking he had meningitis or was suffering from psychosis. Finally, specialized testing at Mayo Clinic identified Spencer's condition as GFAP-IgG associated autoimmune encephalitis, which allowed for targeted treatment and a full recovery. It was April 2020, the COVID-19 pandemic in full swing, when Spencer Lodin, 37, a mail carrier from the Twin… PST-20225521 Home Patient Stories