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CT in homonymous hemianopia

S Kan, T Matsubayashi

    Neuroradiology
    |January 1, 1978
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    Summary
    This summary is machine-generated.

    Computed tomography (CT) effectively visualizes optic pathway lesions, aiding diagnosis. CT scans identified lesions in 85% of patients with homonymous hemianopia, correlating occipital lobe lesion size with visual field defects.

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    Area of Science:

    • Neuroimaging
    • Ophthalmology
    • Neurology

    Background:

    • Optic pathway lesions can cause visual field defects like homonymous hemianopia.
    • Accurate localization and characterization of these lesions are crucial for diagnosis and management.

    Purpose of the Study:

    • To evaluate the utility of computed tomography (CT) in demonstrating optic pathway lesions.
    • To correlate CT findings with the clinical presentation of homonymous hemianopia.

    Main Methods:

    • Retrospective analysis of 53 patients diagnosed with homonymous hemianopia.
    • Review of computed tomography (CT) scans to identify optic pathway lesions.
    • Correlation of lesion location and size with visual field defect type.

    Main Results:

    • Computed tomography (CT) yielded positive findings in 85% of the studied cases.
    • Lesions were successfully demonstrated within the optic pathway.
    • A correlation was observed between the size of occipital lobe lesions and the specific type of visual field defect.

    Conclusions:

    • Computed tomography (CT) is a valuable tool for visualizing optic pathway lesions.
    • CT findings correlate well with homonymous hemianopia, particularly when lesions are in the occipital lobe.
    • The size of occipital lobe lesions on CT can predict the visual field defect characteristics.