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Related Experiment Videos

Ataxic hemiparesis. A pathologic study.

C M Fisher

    Archives of Neurology
    |March 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Stroke patients with contralateral ataxia and hemiparesis may have lesions in the basis pontis. This study suggests the syndrome be named ataxic hemiparesis, linking pontine infarcts to cerebellar-like symptoms.

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    Area of Science:

    • Neurology
    • Neuroscience
    • Pathology

    Background:

    • Stroke is a leading cause of long-term disability.
    • Understanding the relationship between brain lesions and neurological deficits is crucial for diagnosis and treatment.
    • The basis pontis is a critical brainstem structure involved in motor control.

    Observation:

    • Three stroke patients presented with unilateral weakness and pyramidal signs.
    • These patients also exhibited a cerebellar-like ataxia on the same side as the weakness.
    • Pathologic examination revealed old infarct cavities in the basis pontis, contralateral to the neurological deficits.

    Findings:

    • Lesions in the basis pontis can cause contralateral ataxia with cerebellar characteristics.
    • The basilar artery remained patent, suggesting occlusion of penetrating arteries as the cause of infarcts.

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  • This study identifies a specific syndrome correlating pontine lesions with ataxic hemiparesis.

    • Implications:

    • The findings suggest a distinct clinicopathological correlation between basis pontis lesions and ataxic hemiparesis.
    • The proposed designation 'ataxic hemiparesis' aids in characterizing this specific neurological syndrome.
    • Further research into penetrating artery disease in stroke is warranted.