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Anti-N-methyl-d-aspartate receptor encephalitis in an older patient presenting with a rapid onset of delusions and amnesia
  1. Zoya Marinova,
  2. Nikolaus Bausch-Becker and
  3. Egemen Savaskan
  1. Clinic for Geriatric Psychiatry, Psychiatric University Clinic, Zurich, Switzerland
  1. Correspondence to Dr Zoya Marinova, Zoya.Marinova{at}


We present the case of a 77-year-old patient with a rapid onset of delusions, amnesia, agitation, insomnia and no previous psychiatric history, who was diagnosed with anti-N-methyl-d-aspartate receptor encephalitis. This case report highlights the importance of including autoimmune encephalitis in the differential diagnosis of older patients presenting with rapid onset psychiatric episodes.

  • neurology (drugs and medicines)
  • psychiatry (drugs and medicines)

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  • Contributors ZM, NB-B and ES conceptualised the report. ZM drafted the article. NB-B and ES revised it critically.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Patient consent for publication Obtained.