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Cardiovascular PET/MRI: Challenges and Opportunities.
Richard LaForest1, Pamela K Woodard1, Robert J Gropler1
1Mallinckrodt Institute of Radiology, Washington University School of Medicine, 4525 Scott Avenue, Suite 1307, St Louis, MO 63110, USA.
Cardiology Clinics
|November 23, 2015
Summary
New combined PET/MRI systems offer better soft tissue imaging without radiation compared to PET/CT. However, technical challenges hinder widespread clinical adoption, especially for cardiovascular applications.
Area of Science:
- Medical Imaging
- Radiology
- Cardiovascular Disease
Background:
- Combined Positron Emission Tomography (PET) and Magnetic Resonance Imaging (MRI) systems are now available.
- These systems offer advantages over PET/computed tomography (CT), including superior soft tissue contrast from MRI without ionizing radiation and simultaneous PET/MRI acquisition.
- Despite these benefits, clinical acceptance has been limited.
Purpose of the Study:
- To explore the potential of cardiovascular PET/MRI.
- To identify the challenges hindering routine clinical implementation.
- To highlight the future role of PET/MRI in disease management.
Main Methods:
- Review of current PET/MRI technology and its application in cardiovascular imaging.
- Analysis of technical hurdles in image acquisition, processing, and workflow.
- Discussion of clinical acceptance factors.
Main Results:
- PET/MRI provides enhanced soft tissue visualization and simultaneous data acquisition.
- Significant technical and workflow challenges impede routine cardiovascular PET/MRI.
- Clinical adoption is slower than anticipated due to these obstacles.
Conclusions:
- PET/MRI holds substantial promise for cardiovascular disease management.
- Overcoming technical and workflow challenges is crucial for clinical integration.
- Further development is needed to realize the full potential of PET/MRI in clinical practice.
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