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Related Concept Videos

¹H NMR Signal Integration: Overview00:58

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The intensity of a signal, which can be represented by the area under the peak, depends on the number of protons contributing to that signal. The area under each peak is shown as a vertical line called an integral, with the integral value listed under it, as seen in the proton NMR spectrum of benzyl acetate. Each integral value is divided by the smallest integral value to obtain the ratio of the number of protons producing each signal. The ratio reveals the relative number of protons and not...
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An integrated healthcare system (IHS) is a set of organizations that provides for or arranges to provide coordinated and continuous service to a defined population. The IHS takes responsibility for that particular population's health status and outcome, both clinically and fiscally. An integrated healthcare system is a well-organized, well-coordinated, and collaborative network. The integrated delivery system is a network that connects different healthcare providers to deliver organized,...
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Visualization and Quantification of Brown and Beige Adipose Tissues in Mice using [18F]FDG Micro-PET/MR Imaging
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Integrated PET/MR.

Harald H Quick1

  • 1Institute of Medical Physics (IMP), Friedrich Alexander-University Erlangen-Nürnberg, Erlangen, Germany.

Journal of Magnetic Resonance Imaging : JMRI
|December 17, 2013
PubMed
Summary
This summary is machine-generated.

Integrated whole-body PET/MR imaging offers advanced diagnostics by combining MR soft tissue detail with PET

Keywords:
PET/MR hybrid imagingattenuation correction (AC)integrated PET/MRmotion correction (MC)simultaneous data acquisitionwhole-body PET/MR

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Area of Science:

  • Medical Imaging
  • Radiology
  • Nuclear Medicine

Background:

  • Integrated PET/MR hybrid imaging merges Magnetic Resonance (MR) imaging's soft tissue contrast and functional parameters with Positron Emission Tomography (PET)'s sensitivity and metabolic quantification.
  • Clinical evaluation of PET/MR is ongoing, necessitating innovative technological solutions for challenges like MR-based attenuation correction and motion correction.

Purpose of the Study:

  • To review the technological demands and research areas for integrated PET/MR hybrid imaging.
  • To highlight initial clinical applications and workflow optimization strategies for PET/MR.
  • To discuss artifact management, phantom development, and standardization in PET/MR.

Main Methods:

  • MR-based attenuation correction is required due to the absence of CT data in PET/MR systems.
  • Research focuses on incorporating bone information via MR and implementing motion correction techniques for PET data.
  • Workflow optimization involves tailoring hybrid imaging protocols to specific clinical indications.

Main Results:

  • PET/MR imaging presents unique artifacts requiring novel correction strategies.
  • Initial clinical applications demonstrate utility in oncology, neurology, pediatric oncology, and cardiovascular disease.
  • The need for specialized phantoms and standardization efforts is emphasized for reliable PET/MR imaging.

Conclusions:

  • Integrated PET/MR imaging requires advanced technological solutions for attenuation correction, motion correction, and artifact management.
  • Tailored clinical workflows are essential to maximize diagnostic yield and minimize acquisition times.
  • Further research in phantoms and standardization is crucial for the widespread adoption and reliability of PET/MR hybrid imaging.