Paraneoplastic limbic encephalitis in a male with squamous cell carcinoma of the lung

Paraneoplastic limbic encephalitis (PLE) is a rare syndrome characterized by memory impairment, symptoms of hypothalamic dysfunction, and seizures. It commonly precedes the diagnosis of cancer. Small-cell lung cancer is the neoplasm that is most frequently reported as the etiology underlying PLE. Th...

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Bibliographic Details
Published in:Journal of clinical neurology (Seoul, Korea) 2015, 11(1), , pp.87-91
Main Authors: Sauri, Tamara, Izquierdo, Àngel, Ramió-Torrentà, LLuis, Sanchez-Montañez, Àngel, Bosch-Barrera, Joaquim, Porta, Rut
Format: Article
Language:English
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Case Report
신경과학
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Summary:Paraneoplastic limbic encephalitis (PLE) is a rare syndrome characterized by memory impairment, symptoms of hypothalamic dysfunction, and seizures. It commonly precedes the diagnosis of cancer. Small-cell lung cancer is the neoplasm that is most frequently reported as the etiology underlying PLE. This report describes a male patient who presented with neurologic symptoms consistent with anterograde amnesia, apathy, and disorientation. MRI revealed diffuse hyperintensities located predominantly in the medial bitemporal lobes, basal ganglia, frontal lobes, and leptomeninges on fluid attenuated inversion recovery images, suggesting PLE. Study of the primary tumor revealed squamous cell carcinoma of the lung. The patient was treated with neoadjuvant chemotherapy followed by surgery and adjuvant chemoradiotherapy, which resulted in his neurologic symptoms gradually improving. PLE might be a rare debut of squamous cell carcinoma of the lung. Treatment of the primary tumor may improve the neurologic symptoms.
ISSN:1738-6586
2005-5013
DOI:10.3988/jcn.2015.11.1.87