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Related Experiment Videos

[Modern diagnostic methods in multiple sclerosis]

G N Bisaga, V I Golovkin, S A Lytaev

    Zhurnal Nevrologii I Psikhiatrii Imeni S.S. Korsakova
    |January 1, 1996
    PubMed
    Summary

    Magnetic resonance tomography (MRT) and evoked potentials significantly aid in diagnosing multiple sclerosis (MS). These advanced diagnostic tools, including VEPs and MAEPs, improve the accuracy of MS detection in clinical practice.

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    Area of Science:

    • Neurology
    • Medical Imaging
    • Neurophysiology

    Background:

    • Multiple sclerosis (MS) diagnosis relies on clinical presentation and supportive investigations.
    • Accurate and timely diagnosis is crucial for effective MS management.
    • Evaluating the diagnostic utility of various neuroimaging and neurophysiological tests is essential.

    Purpose of the Study:

    • To assess the diagnostic significance of magnetic resonance tomography (MRT) and evoked potentials in patients with suspected multiple sclerosis.
    • To compare the diagnostic yield of MRT, visual evoked potentials (VEPs), mid-latency auditory evoked potentials (MAEPs), viscocontrastoperimetry, and pallesthesiometry.

    Main Methods:

    • Observation of 161 patients with suspected multiple sclerosis using C. M. Poser's scale.
    • Application of magnetic resonance tomography (MRT).

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  • Neurophysiological testing including visual evoked potentials (VEPs) and mid-latency auditory evoked potentials (MAEPs).
  • Sensory testing: viscocontrastoperimetry and pallesthesiometry (vibratory sensation).

    • Main Results:

    • Magnetic resonance tomography (MRT) revealed abnormalities in 80.3% of cases (97.5% in definite MS diagnoses).
    • Visual evoked potentials (VEPs) showed abnormalities in 100% of tested patients, and mid-latency auditory evoked potentials (MAEPs) in 72.6%.
    • Visuocontrastoperimetry and pallesthesiometry also demonstrated significant diagnostic findings, with abnormalities in 75.2% and 68.9-100% of patients, respectively.

    Conclusions:

    • Magnetic resonance tomography (MRT) is a highly sensitive tool for diagnosing multiple sclerosis, particularly in definite cases.
    • Evoked potentials (VEPs, MAEPs) and sensory testing provide valuable complementary diagnostic information for multiple sclerosis.
    • The combination of MRT and neurophysiological tests enhances the diagnostic accuracy for multiple sclerosis.