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Related Experiment Videos

Nervous system lupus mimics limbic encephalitis

J P Stübgen1

  • 1Department of Neurology, The New York Hospital-Cornell University Medical College, NY 10021, USA.

Lupus
|December 24, 1998
PubMed
Summary

Systemic lupus erythematosus (SLE) can cause severe neurological issues like limbic encephalitis and seizures. High anti-ribosomal-P antibodies in CSF indicated a lupus connection in this case.

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Area of Science:

  • Neurology
  • Immunology
  • Rheumatology

Background:

  • Systemic lupus erythematosus (SLE) is a chronic autoimmune disease with diverse clinical manifestations.
  • Neurological involvement in SLE, known as neuropsychiatric lupus (NPSLE), can present with various central nervous system disorders.
  • Limbic encephalitis is a rare but serious neurological condition affecting the limbic system, crucial for memory and emotion.

Observation:

  • A 28-year-old woman with SLE presented with acute fever, headache, encephalopathy, and severe, recurrent generalized seizures.
  • Cerebrospinal fluid (CSF) analysis revealed high titers of anti-ribosomal-P antibodies.
  • Diagnostic workup excluded Herpes simplex encephalitis and paraneoplastic encephalomyelitis.

Findings:

  • The clinical presentation and CSF findings strongly suggested limbic encephalitis associated with lupus.
  • The presence of high anti-ribosomal-P antibodies in CSF is a recognized biomarker for NPSLE.
  • While a brain biopsy was not performed, the overall evidence pointed towards an autoimmune etiology linked to SLE.

Implications:

  • This case highlights the importance of considering NPSLE in SLE patients presenting with unexplained encephalopathy and seizures.
  • Anti-ribosomal-P antibodies may serve as a valuable diagnostic marker for CNS lupus.
  • Prompt immunomodulatory treatment, alongside symptomatic management, is crucial for improving outcomes in patients with lupus-related limbic encephalitis.

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