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Related Experiment Videos

Molecular diffusion nuclear magnetic resonance imaging.

D Le Bihan1

  • 1Diagnostic Radiology Department, Warren G. Magnuson Clinical Center, National Institutes of Health, Bethesda, Maryland 20892.

Magnetic Resonance Quarterly
|January 1, 1991
PubMed
Summary
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This review covers 40 years of diffusion measurement using Nuclear Magnetic Resonance (NMR) for biomedical imaging. It details challenges and advancements in in vivo diffusion imaging of biological tissues.

Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Physics

Background:

  • Diffusion measurement using Nuclear Magnetic Resonance (NMR) has potential for in vivo biological tissue analysis.
  • Despite advancements, in vivo diffusion imaging remains technically challenging.

Purpose of the Study:

  • To review 40 years of progress in diffusion measurement by NMR, focusing on biomedical diffusion imaging.
  • To discuss theoretical, technical, and clinical aspects of diffusion imaging.

Main Methods:

  • Review of the fundamental principles of diffusion measurement with NMR.
  • Presentation of various diffusion imaging techniques.
  • Discussion of challenges in clinical diffusion imaging, including motion artifacts and diffusion in biological tissues.

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Main Results:

  • Exploration of resolved theoretical and technical issues in diffusion imaging.
  • Identification of new challenges specific to clinical applications.
  • Extension of diffusion imaging concepts to blood microcirculation imaging.

Conclusions:

  • Diffusion imaging has evolved significantly over 40 years, addressing numerous technical challenges.
  • The technique shows promise for understanding tissue microdynamics and microstructure.
  • Current and potential clinical applications of diffusion imaging are substantial.