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Related Experiment Videos

MR imaging of the intervertebral disc: a quantitative study.

J P Jenkins, D S Hickey, X P Zhu

    The British Journal of Radiology
    |August 1, 1985
    PubMed
    Summary

    Quantitative MRI reveals changes in nucleus pulposus T1 and T2 relaxation times correlating with age and disc degeneration. These findings suggest MRI can aid in diagnosing intervertebral disc health.

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    Area of Science:

    • Radiology
    • Biomedical Imaging
    • Spine Research

    Background:

    • Intervertebral disc degeneration is a significant health concern.
    • Accurate assessment of disc health is crucial for diagnosis and treatment.
    • Magnetic Resonance Imaging (MRI) is a key tool for visualizing spinal structures.

    Purpose of the Study:

    • To measure T1 and T2 relaxation times and proton density in normal and degenerate intervertebral discs.
    • To investigate the correlation of these parameters with age and degeneration.
    • To evaluate the potential of quantitative MRI for diagnosing disc degeneration.

    Main Methods:

    • Quantitative MRI was performed on 107 normal and 18 degenerate intervertebral discs.
    • Total saturation recovery and spin echo sequences were used.

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  • A multi-point method calculated T1, T2, and proton density values.

    • Main Results:

    • Normal nucleus pulposus T1 and T2 values decreased with age.
    • Proton density showed no significant age correlation in normal discs.
    • Significant differences in T1 values were observed between normal and degenerate discs across all ages.
    • T2 differences were significant in younger groups but diminished in older individuals.

    Conclusions:

    • Age-related changes in T1 and T2 values reflect reduced water content in the nucleus pulposus.
    • Quantitative MRI parameters show promise in differentiating normal from degenerate intervertebral discs.
    • MRI-based quantitative analysis may enhance the diagnosis of intervertebral disc degeneration.