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Related Experiment Videos

Attenuation Correction of PET/MR Imaging.

Yasheng Chen1, Hongyu An2

  • 1Department of Neurology, BJC Institute of Health - WUSM 09205, Washington University in St. Louis, St Louis, MO 63110, USA.

Magnetic Resonance Imaging Clinics of North America
|April 10, 2017
PubMed
Summary

Positron Emission Tomography/Magnetic Resonance (PET/MR) imaging requires accurate attenuation correction. This review details atlas-based and direct imaging methods for MR-based PET attenuation correction, discussing their principles, pros, and cons.

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Area of Science:

  • Medical Imaging
  • Radiochemistry
  • Biophysics

Background:

  • Positron Emission Tomography/Magnetic Resonance (PET/MR) is an emerging multimodality imaging technique.
  • Accurate attenuation correction is critical for quantitative PET imaging, with MR-based methods being a key focus, particularly for brain applications.

Purpose of the Study:

  • To review and discuss atlas-based and direct imaging methods for MR-based PET attenuation correction.
  • To detail the technical principles, advantages, and disadvantages of these MR-based attenuation correction techniques.

Main Methods:

  • Review of existing literature on atlas-based MR-based attenuation correction.
  • Review of existing literature on direct imaging MR-based attenuation correction.
Keywords:
AtlasAttenuation correctionMRPETUTEZTE

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Main Results:

  • Detailed explanation of the technical principles underlying both atlas and direct imaging MR-based attenuation correction methods.
  • Comparative analysis of the advantages and disadvantages of each approach.

Conclusions:

  • MR-based attenuation correction methods offer promising solutions for quantitative PET/MR imaging.
  • Understanding the principles and trade-offs of different methods is essential for optimizing PET/MR protocols, especially in neuroimaging.