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[Hypothalamic hamartomas and laughing seizures].

P Plouin, G Ponsot, O Dulac

    Revue D'Electroencephalographie Et De Neurophysiologie Clinique
    |December 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

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    This study identifies hypothalamic hamartoma as a cause of laughing seizures in children. These seizures can occur with precocious puberty and other seizure types, highlighting the tumor's role.

    Area of Science:

    • Neurology
    • Pediatrics
    • Neuroscience

    Context:

    • Hypothalamic hamartomas are rare tumors associated with various neurological symptoms.
    • Laughing seizures, or gelastic seizures, are a specific type of epilepsy characterized by unprovoked laughter.

    Purpose:

    • To investigate the association between hypothalamic hamartoma and laughing seizures in children.
    • To compare newly reported cases with existing literature on posterior hypothalamic lesions and gelastic seizures.

    Summary:

    • The study presents 7 new pediatric cases of laughing seizures linked to hypothalamic hamartoma.
    • Diagnoses were confirmed via histology or CT scan.
    • EEG findings during interictal periods and laughing seizures were analyzed.
    • A review of 18 similar cases from the literature was conducted and compared.

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    Impact:

    • This research clarifies the role of hypothalamic hamartoma in the etiology of gelastic seizures in children.
    • It provides insights into the clinical presentation and diagnostic features of this rare neurological condition.