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Related Concept Videos

Magnetic Resonance Imaging01:24

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
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Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
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MRI and PET in Mouse Models of Myocardial Infarction
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PET/MRI: Technical Challenges and Recent Advances.

Jin Ho Jung1, Yong Choi1, Ki Chun Im1

  • 1Molecular Imaging Research & Education Laboratory, Department of Electronic Engineering, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107 Korea.

Nuclear Medicine and Molecular Imaging
|March 5, 2016
PubMed
Summary
This summary is machine-generated.

Integrated positron emission tomography (PET)/magnetic resonance imaging (MRI) offers complementary molecular imaging. Recent advances address technical challenges, improving PET/MRI hybrid system image quality for research and clinical use.

Keywords:
Anatomical and functional informationMRIPETPET/MRI hybrid imaging system

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Area of Science:

  • Medical Imaging
  • Biophysics

Background:

  • Integrated PET/MRI provides complementary functional and anatomical data at the molecular level.
  • This powerful imaging modality aids in understanding molecular biology, disease mechanisms, and pharmacokinetics in humans and animals.

Purpose of the Study:

  • To present technical challenges and recent advances in combined PET/MRI systems.
  • To discuss approaches for enhancing PET image quality within hybrid PET/MRI systems.

Main Methods:

  • Review of technical challenges in integrating PET and MRI components.
  • Exploration of strategies to minimize mutual interference between PET and MRI.

Main Results:

  • Successful integration of PET and MRI in a single system has been achieved.
  • Various approaches have been developed to improve PET image quality in hybrid systems.

Conclusions:

  • Despite early experiments in the 1990s, clinical application of PET/MRI is recent due to integration challenges.
  • Ongoing technical advancements are crucial for optimizing PET/MRI performance and expanding its clinical utility.