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[Paraneoplastic limbic encephalitis and lung cancer]
M Gil Ortega1, E Hernández Pardo, I Gil Ortega
1Servicio de Medicina Interna, Complejo Hospitalario Ciudad de Jaén, Jaén. ehpehp@supercable.es
Anales De Medicina Interna (Madrid, Spain : 1984)
|March 27, 2004
Summary
Paraneoplastic limbic encephalitis (PLE) can occur without detectable antineuronal antibodies. This case highlights lung cancer detection in a patient presenting with limbic encephalitis symptoms but negative antibody markers.
Area of Science:
- Neurology
- Oncology
Background:
- Paraneoplastic limbic encephalitis (PLE) is an autoimmune disorder causing severe cognitive decline and seizures.
- It is frequently associated with small cell lung carcinoma, posing diagnostic challenges due to subtle or preceding symptoms.
Observation:
- The study presents a case of limbic encephalitis with negative paraneoplastic antibody serology.
- The patient exhibited typical symptoms of limbic encephalitis.
Findings:
- Despite the absence of specific antineuronal antibodies, the underlying cause was identified as lung cancer.
- This challenges the conventional diagnostic approach relying heavily on serological markers.
Implications:
- This case underscores the importance of considering malignancy in limbic encephalitis, even with negative antibody tests.
- It suggests a need for broader diagnostic strategies beyond serology for early cancer detection in such neurological presentations.