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Advances in brain tumor imaging

N C Yue1

  • 1Johns Hopkins Medical Institutions, Baltimore, Maryland.

Current Opinion in Neurology
|December 1, 1993
PubMed
Summary
This summary is machine-generated.

Advanced MRI techniques now allow detailed in vivo analysis of brain tumor function and physiology, complementing traditional PET imaging. These methods enhance the study of tumor characteristics and treatment efficacy, improving diagnostic capabilities.

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Area of Science:

  • Neuroimaging
  • Oncology
  • Medical Physics

Background:

  • Computed tomographic (CT) and magnetic resonance (MR) imaging are established for analyzing brain tumor morphology in vivo.
  • Functional MR imaging (fMRI) techniques offer noninvasive assessment of brain tumor physiology and function.
  • Positron emission tomography (PET) has traditionally been used for studying cerebral blood flow and metabolic rates.

Purpose of the Study:

  • To highlight advancements in MR imaging for brain tumor analysis.
  • To compare the capabilities of fMRI with traditional PET research.
  • To review clinical applications of contrast-enhanced MR imaging in neuro-oncology.

Main Methods:

  • Utilizing functional MR imaging for real-time assessment of cerebral blood volume, flow, and cortical activity.

Related Experiment Videos

  • Comparing proton MR spectroscopic lactate data with PET-derived glycolytic rates.
  • Employing refined two-dimensional MR spectroscopic techniques for spatial resolution comparable to PET.
  • Conducting prospective studies with gadolinium-based contrast agents for enhanced MR imaging.

    • Main Results:

    • Functional MR imaging provides near real-time temporal and high spatial resolution for studying brain tumor physiology.
    • MR spectroscopic techniques enable comparable spatial resolution to PET for metabolic comparisons.
    • Contrast-enhanced MR imaging studies show promise in optimizing postoperative assessment and evaluating treatment efficacy (e.g., embolization).

    Conclusions:

    • Advanced MR imaging techniques, including functional and spectroscopic methods, significantly enhance the noninvasive study of brain tumors.
    • MR imaging is becoming increasingly valuable for both research and clinical applications in neuro-oncology.
    • These imaging modalities offer complementary information to PET, improving diagnostic accuracy and treatment monitoring.