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PET/MRI, Part 2: Technologic Principles.

Geoffrey M Currie1,2, Peter Kamvosoulis3, Stewart Bushong2

  • 1School of Dentistry and Health Science, Charles Sturt University, Wagga Wagga, Australia; gcurrie@csu.edu.au.

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|March 16, 2021
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Summary
This summary is machine-generated.

Hybridizing Positron Emission Tomography (PET) and Magnetic Resonance Imaging (MRI) into simultaneous PET/MRI systems is now clinically feasible. This advancement requires adapting facility design, safety, and clinical protocols for this integrated imaging technology.

Keywords:
MRIPETPET/MRPET/MRI

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Area of Science:

  • Medical Imaging
  • Nuclear Medicine
  • Radiology

Background:

  • Hybrid imaging systems combining Positron Emission Tomography (PET) and Magnetic Resonance Imaging (MRI) have overcome previous technical challenges.
  • The clinical integration of PET/MRI necessitates adjustments in facility design, safety protocols, and clinical procedures.
  • This article focuses on the technological aspects of PET/MRI, building upon prior discussions on facility establishment.

Purpose of the Study:

  • To provide an overview of the considerations and challenges in implementing PET/MRI technology.
  • To introduce the fundamental principles of MRI instrumentation relevant to PET/MRI systems.
  • To highlight specific technological aspects unique to combined PET/MR imaging.

Main Methods:

  • Review of established PET principles.
  • Introduction to MRI instrumentation and its integration with PET.
  • Discussion of technological considerations for simultaneous PET/MRI acquisition.

Main Results:

  • PET/MRI systems are emerging in clinical settings, signifying a maturation of the technology.
  • Successful hybridization requires careful attention to facility design, safety, and operational protocols.
  • Understanding MRI's technical foundations is crucial for optimizing PET/MR performance.

Conclusions:

  • The clinical implementation of PET/MRI is achievable, presenting new opportunities and responsibilities.
  • Adapting to PET/MRI requires a comprehensive approach encompassing technology, safety, and clinical practice.
  • This article serves as a foundational guide to the technological aspects of PET/MRI, preceding detailed discussions on protocols and applications.