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Positron emission tomography-magnetic resonance imaging (PET/MR) integrates metabolic, molecular, functional, and anatomical imaging, offering transformative capabilities in diagnostics and research. Combining MRI’s superior soft tissue contrast resolution capabilities with PET’s quantitative metabolic imaging, PET/MR enables precise insights into oncology, cardiology, and neurology. Applications include advanced cancer staging, therapy response evaluation, myocardial viability assessment, and neurodegenerative disease monitoring, among others. Overcoming engineering challenges has been pivotal to PET/MR’s adoption. Innovations like silicon photomultipliers and advanced attenuation correction methods have mitigated issues such as magnetic interference to the PET hardware components and image degradation. Machine learning approaches enhance image quality and diagnostic accuracy, furthering the potential for personalized medicine. The radiographer’s role is critical in ensuring successful PET/MR operations. Expertise in hybrid imaging principles, radiation safety, patient preparation, image quality optimization, and artifact management is essential. PET/MR radiographers ensure precise patient positioning and safe tracer administration and maintain quality assurance standards. Addressing practical challenges, such as managing claustrophobia and coordinating complex cardiac imaging, requires specialized training and adaptive strategies. Post-scan protocols emphasize patient safety and compliance with data protection regulations, ensuring integrity in clinical and research applications. Rigorous quality control processes uphold the diagnostic reliability and operational efficiency of PET/MR systems. The PET/MR radiographer plays a vital role in the success of PET/MR studies, ensuring safety, accuracy, and patient care across training, preparation, scanning, and post-scan procedures. Their expertise supports advancements in research, effective implementation of PET/MR technology, and improved patient outcomes. In conclusion, by uniting cutting-edge technology with expert clinical practice, PET/MR continues to redefine the landscape of medical imaging, enhancing patient care and enabling innovative research directions.

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Foundations of PET/MR

  • 章节

  • 发表日期：

    2025年

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  • Sami Jeljeli,
  • Gary Cook,
  • Alexander Hammers,
  • Amedeo Chiribiri,
  • Harriet Rogers,
  • Shawna Kinsella,
  • Georgios Krokos,
  • Radhouene Neji

摘要

Positron emission tomography-magnetic resonance imaging (PET/MR) integrates metabolic, molecular, functional, and anatomical imaging, offering transformative capabilities in diagnostics and research. Combining MRI’s superior soft tissue contrast resolution capabilities with PET’s quantitative metabolic imaging, PET/MR enables precise insights into oncology, cardiology, and neurology. Applications include advanced cancer staging, therapy response evaluation, myocardial viability assessment, and neurodegenerative disease monitoring, among others. Overcoming engineering challenges has been pivotal to PET/MR’s adoption. Innovations like silicon photomultipliers and advanced attenuation correction methods have mitigated issues such as magnetic interference to the PET hardware components and image degradation. Machine learning approaches enhance image quality and diagnostic accuracy, furthering the potential for personalized medicine. The radiographer’s role is critical in ensuring successful PET/MR operations. Expertise in hybrid imaging principles, radiation safety, patient preparation, image quality optimization, and artifact management is essential. PET/MR radiographers ensure precise patient positioning and safe tracer administration and maintain quality assurance standards. Addressing practical challenges, such as managing claustrophobia and coordinating complex cardiac imaging, requires specialized training and adaptive strategies. Post-scan protocols emphasize patient safety and compliance with data protection regulations, ensuring integrity in clinical and research applications. Rigorous quality control processes uphold the diagnostic reliability and operational efficiency of PET/MR systems. The PET/MR radiographer plays a vital role in the success of PET/MR studies, ensuring safety, accuracy, and patient care across training, preparation, scanning, and post-scan procedures. Their expertise supports advancements in research, effective implementation of PET/MR technology, and improved patient outcomes. In conclusion, by uniting cutting-edge technology with expert clinical practice, PET/MR continues to redefine the landscape of medical imaging, enhancing patient care and enabling innovative research directions.