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Related Experiment Videos

Lacunar infarcts: clinical and computed tomographic correlations

L A Weisberg

    Archives of Neurology
    |January 1, 1982
    PubMed
    Summary

    High-resolution computed tomography (CT) significantly improves the detection of cerebral lacunae, small brain lesions often associated with stroke-like symptoms or hypertension. This advanced imaging technique enhances diagnostic accuracy for these common neurological findings.

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    Area of Science:

    • Neurology
    • Radiology
    • Medical Imaging

    Background:

    • Cerebral lacunae are small infarcts in the brain, often linked to hypertension and cerebrovascular disease.
    • Previous diagnostic methods had limitations in accurately identifying these small lesions.

    Purpose of the Study:

    • To review computed tomographic (CT) findings in patients with cerebral lacunae.
    • To define characteristic CT features of cerebral lacunae.
    • To assess the impact of high-resolution CT on lacunar lesion diagnosis.

    Main Methods:

    • Retrospective review of CT scans from 34 patients with 45 observed lacunae.
    • Analysis of clinical presentations, including acute stroke-like symptoms and gradual onset.
    • Correlation of CT findings with systemic arterial hypertension.
    • Definition of characteristic lacunar lesion morphology on CT.

    Main Results:

    • A total of 45 lacunae were identified in 34 patients.
    • Twenty-four patients presented with acute stroke-like symptoms; ten had gradual symptom development.
    • Systemic arterial hypertension was present in 22 patients.
    • Characteristic CT findings included round/ovoid, sharply marginated, nonenhancing hypodense lesions <20 mm, seen on two scan sections.
    • High-resolution CT markedly increased the frequency of diagnosing cerebral lacunae.

    Conclusions:

    • High-resolution CT is a valuable tool for diagnosing cerebral lacunae.
    • Specific CT imaging characteristics aid in differentiating lacunar lesions.
    • Increased detection of lacunae may improve understanding of their clinical significance.

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