Anti-LGI-1 autoimmune encephalitis: Insights from literature and a very late-onset case report

Key Points

• Autoimmune encephalitis presents significant neurological symptoms, especially in late-onset cases.
• An 85-year-old patient exhibited anti-LGI-1 antibodies, indicating a rare manifestation of the disease.
• Literature review provides context on how late-onset cases can differ from classic presentations.
• Understanding late-onset autoimmune encephalitis may enhance diagnosis and treatment outcomes.