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Updated: Jul 11, 2026

High-throughput Flow Cytometry Cell-based Assay to Detect Antibodies to N-Methyl-D-aspartate Receptor or Dopamine-2 Receptor in Human Serum
Published on: November 23, 2013
[Late recognition of anti-NMDA receptor encephalitis: the effect of a one-track mind in multiple specialties]
Abstract:
Anti-NMDA receptor encephalitis is an auto-immune disorder often presenting with non-specific and heterogeneous neuropsychiatric symptoms at onset. This complicates a quick and accurate diagnosis. However, a tardy diagnosis has a negative impact on morbidity and mortality. We report about a patient with the clinical presentation of a psychotic depression, who was diagnosed with anti-NMDA receptor encephalitis only after a thorough diagnostic work-up. Neurological symptoms were wrongly attributed to the psychiatric syndrome or considered as side-effects of its treatment. We present an overview of clinical aspects of the disorder, distinctive psychiatric symptoms, diagnostic tools, treatment and prognosis.
Insights
Anti-NMDA receptor encephalitis, an autoimmune disorder, often mimics psychiatric conditions, delaying diagnosis. Early detection is crucial for better outcomes in patients with this complex neurological disease.
Area of Science:
- Neurology
- Immunology
- Psychiatry
Background:
- Autoimmune encephalitis targeting N-methyl-D-aspartate (NMDA) receptors is a significant cause of neurological and psychiatric morbidity.
- Early diagnosis is frequently challenging due to non-specific and heterogeneous presenting symptoms.
Observation:
- A case of anti-NMDA receptor encephalitis is presented, initially misdiagnosed as psychotic depression.
- Neurological manifestations were misinterpreted as psychiatric symptoms or treatment side effects.
Findings:
- The study highlights the diagnostic difficulties in anti-NMDA receptor encephalitis, particularly when psychiatric symptoms dominate.
- A comprehensive diagnostic approach is essential to identify this treatable neurological condition.
Implications:
- This case underscores the importance of considering autoimmune encephalitis in patients with unexplained or treatment-resistant neuropsychiatric disorders.
- Timely diagnosis and treatment of anti-NMDA receptor encephalitis can significantly improve patient prognosis and reduce long-term disability.
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