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Nuclear magnetic resonance imaging

E C McCullough, H L Baker

    Radiologic Clinics of North America
    |March 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Nuclear magnetic resonance (NMR) scanning offers new ways to differentiate tissue and improve neurological studies by minimizing bone artifacts. While promising, further research is needed to confirm its clinical viability and scan times.

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    Area of Science:

    • Medical Imaging
    • Biophysics

    Background:

    • Computed Tomography (CT) imaging is limited by bone artifacts, particularly in neurological studies.
    • Nuclear Magnetic Resonance (NMR) scanning presents an alternative imaging modality with distinct physical principles.

    Purpose of the Study:

    • To explore the potential of NMR scanning for enhanced pathologic differentiation of tissues.
    • To assess the advantages of NMR over CT in specific clinical applications, such as neurology.
    • To evaluate the current limitations and future prospects of NMR imaging technology.

    Main Methods:

    • Measurement of tissue properties using Nuclear Magnetic Resonance (NMR).
    • Evaluation of NMR's performance in the presence of bone.
    • Assessment of imaging capabilities in direct sagittal and coronal planes.

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  • Analysis of relaxation times and their impact on spatial resolution and scan duration.

    • Main Results:

    • NMR imaging is less affected by bone, potentially facilitating neurological studies.
    • Direct sagittal and coronal imaging are achievable with NMR.
    • Current NMR technology requires scan times exceeding two minutes for clinically acceptable 2-3mm spatial resolution.
    • Biologic hazards associated with NMR are considered minimal but not fully excluded.

    Conclusions:

    • NMR scanning shows significant potential for improved tissue differentiation and neurological imaging.
    • Clinical acceptance of NMR hinges on achieving clinically relevant chemical cross-sections.
    • Further technological advancements are necessary to optimize scan times and resolution for widespread clinical adoption.