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Related Experiment Videos

PET/MRI: Where might it replace PET/CT?

Eric C Ehman1, Geoffrey B Johnson1, Javier E Villanueva-Meyer2

  • 1Department of Radiology, Mayo Clinic, Rochester, Minnesota, USA.

Journal of Magnetic Resonance Imaging : JMRI
|April 4, 2017
PubMed
Summary
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Positron emission tomography and MRI (PET/MRI) offers combined imaging benefits over PET and computed tomography (PET/CT). Further research is needed to identify specific patient groups who will benefit most from PET/MRI.

Area of Science:

  • Medical Imaging
  • Radiology
  • Nuclear Medicine

Background:

  • Simultaneous positron emission tomography and MRI (PET/MRI) integrates anatomical and quantitative MRI with PET's physiological data.
  • PET and computed tomography (PET/CT) is an established, widely used imaging technology.
  • The higher cost and complexity of PET/MRI necessitate defining its optimal patient population compared to PET/CT.

Purpose of the Study:

  • To compare PET/MRI with PET/CT.
  • To detail promising applications of PET/MRI.
  • To discuss barriers to PET/MRI adoption.

Main Methods:

  • Comparative analysis of PET/MRI and PET/CT imaging modalities.
  • Review of current and emerging clinical applications for PET/MRI.
Keywords:
CTMRIPETPET/CTPET/MRI

Related Experiment Videos

  • Identification of challenges hindering the widespread use of PET/MRI.

    • Main Results:

    • PET/MRI combines the strengths of MR imaging and PET for enhanced multiparametric evaluation.
    • PET/MRI shows promise in specific patient groups, particularly those already undergoing MRI and PET/CT.
    • Impediments to PET/MRI adoption include cost, complexity, and the need for further clinical validation.

    Conclusions:

    • PET/MRI offers advanced capabilities for multiparametric evaluation by integrating anatomical and physiological imaging.
    • Future research should focus on validating the clinical benefits of PET/MRI for select patient cohorts.
    • Optimizing the use of PET/MRI will likely involve leveraging its simultaneous acquisition capabilities in scenarios where both MRI and PET/CT are currently indicated.