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Nuclear magnetic resonance imaging in multiple sclerosis.

S A Lukes, L E Crooks, M J Aminoff

    Annals of Neurology
    |June 1, 1983
    PubMed
    Summary

    Spin-echo magnetic resonance imaging (MRI) better visualizes multiple sclerosis lesions than inversion recovery MRI or computed tomography (CT). Optimized spin-echo techniques enhance contrast for detecting white matter abnormalities.

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    Area of Science:

    • Neurology
    • Radiology
    • Medical Imaging

    Background:

    • Multiple sclerosis (MS) is a chronic neurological disease.
    • Accurate imaging is crucial for diagnosing and monitoring MS.
    • Comparing MRI techniques with computed tomography (CT) is important for clinical practice.

    Purpose of the Study:

    • To compare the efficacy of spin-echo and inversion recovery MRI techniques.
    • To evaluate the sensitivity of these MRI methods in detecting multiple sclerosis lesions.
    • To compare MRI findings with conventional X-ray computed tomography (CT).

    Main Methods:

    • Ten patients with definite multiple sclerosis were included.
    • Hydrogen nuclear magnetic resonance imaging (MRI) was performed using a 3.5 kilogauss superconducting magnet.

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  • Spin-echo and inversion recovery pulse sequences were utilized for signal acquisition.

    • Main Results:

    • Spin-echo MRI visualized abnormal regions as areas of increased signal intensity.
    • Optimized spin-echo parameters improved contrast between normal and abnormal white matter.
    • Inversion recovery MRI showed lesions as decreased signal intensity but was less effective than spin-echo.
    • Both MRI techniques revealed more extensive abnormalities than CT.

    Conclusions:

    • Spin-echo MRI is superior to inversion recovery MRI for visualizing multiple sclerosis lesions.
    • MRI techniques, particularly spin-echo, offer greater sensitivity in detecting MS-related white matter changes compared to CT.
    • Further optimization of MRI parameters can enhance lesion detection in multiple sclerosis.