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Updated: Dec 8, 2025

MRI and PET in Mouse Models of Myocardial Infarction
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Published on: December 19, 2013

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PET/MRI of atherosclerosis

Mueez Aizaz1,2, Rik P M Moonen1,2, Jochem A J van der Pol1

  • 1Department of Radiology and Nuclear Medicine, Maastricht University Medical Center, Maastricht, The Netherlands.

Cardiovascular Diagnosis and Therapy
|September 24, 2020
PubMed

Insights

Hybrid PET/MRI offers a novel approach to visualize vulnerable atherosclerotic plaques, the primary cause of heart attack and stroke. This technology aids in risk stratification and treatment guidance for cardiovascular diseases.

Area of Science:

  • Cardiovascular Imaging
  • Medical Physics
  • Radiochemistry

Background:

  • Myocardial infarction and stroke are leading global causes of death, often resulting from vulnerable atherosclerotic plaque rupture.
  • Key plaque features include inflammation, a large lipid-rich necrotic core (LRNC), thin fibrous cap, and intraplaque hemorrhage (IPH).
  • Noninvasive imaging of these features is crucial for risk stratification and treatment monitoring.

Purpose of the Study:

  • To review the application of hybrid PET/MRI for imaging atherosclerotic plaques in carotid and coronary arteries.
  • To discuss the advantages and disadvantages of various hybrid PET/MRI systems.
  • To explore challenges and solutions in PET/MRI development for atherosclerosis.

Main Methods:

  • Review of existing literature on hybrid PET/MRI for atherosclerotic plaque imaging.
  • Analysis of PET and MRI acquisition techniques, including motion correction.
  • Summary of current PET/MRI studies in patients with carotid and coronary artery disease.

Main Results:

  • Hybrid PET/MRI combines MRI's soft tissue contrast with PET's molecular imaging capabilities for comprehensive plaque visualization.
  • Different hybrid PET/MRI systems have varying pros and cons impacting clinical utility.
  • Existing studies demonstrate the potential of PET/MRI in characterizing atherosclerotic plaques.

Conclusions:

  • Hybrid PET/MRI is a promising technology for noninvasive imaging of vulnerable atherosclerotic plaques.
  • Further development and standardization of PET/MRI techniques are needed for widespread clinical adoption.
  • This modality holds significant potential for improving risk stratification and guiding treatment for cardiovascular diseases.

Keywords:
AtherosclerosisPET/MRIhybrid imagingvascularvulnerable plaque

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