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Dramatic Cataplexy Improvement Following Right Parietal Surgery.

David J Fam^1,2, Prathiba Shammi^3,2, Todd G Mainprize^4,2

¹Divison of Neurology, Department of Medicine, University of Toronto, Toronto, Canada.

Journal of Clinical Sleep Medicine : JCSM : Official Publication of the American Academy of Sleep Medicine

|April 24, 2015

Summary

A right parietal astrocytoma resection dramatically reduced severe narcolepsy with cataplexy symptoms in a 34-year-old woman. Post-surgery evaluations confirmed symptom improvement and neurological recovery.

Keywords:

astrocytoma cataplexy narcolepsy parietal lobe

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Area of Science:

Neurology
Neuro-oncology
Sleep Medicine

Background:

Narcolepsy with cataplexy is a chronic neurological disorder affecting sleep-wake cycles.
Astrocytomas are primary brain tumors that can cause diverse neurological symptoms.
The relationship between brain tumors and narcolepsy symptoms is not well-established.

Observation:

A 34-year-old woman presented with severe narcolepsy and cataplexy.
She had a confirmed diagnosis of a right parietal astrocytoma.
Surgical resection of the astrocytoma was performed.

Findings:

Following tumor resection, the patient experienced a significant reduction in cataplexy episodes.
Post-operative assessments, including polysomnography and multiple sleep latency testing, indicated improvement.
Neurological and neuropsychological examinations did not reveal significant deficits post-surgery.

Implications:

This case suggests a potential link between right parietal astrocytomas and narcolepsy with cataplexy.
Surgical intervention for specific brain tumors may alleviate narcolepsy symptoms.
Further research is warranted to explore the neurobiological mechanisms underlying this association.