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Related Experiment Videos

Temperature mapping using the water proton chemical shift: a chemical shift selective phase mapping method

K Kuroda1, K Oshio, A H Chung

  • 1Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.

Magnetic Resonance in Medicine
|November 14, 1997
PubMed
Summary

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This study introduces chemical shift selective phase mapping for accurate temperature imaging. The novel method precisely measures temperature changes by analyzing water proton chemical shifts, unaffected by motion.

Area of Science:

  • Magnetic Resonance Imaging
  • Biomedical Engineering
  • Chemical Physics

Background:

  • Accurate temperature imaging is crucial for various applications.
  • Existing methods face challenges with non-water signals and motion artifacts.
  • Proton chemical shift is sensitive to temperature variations.

Purpose of the Study:

  • To develop a novel proton-chemical-shift-based temperature imaging method.
  • To improve accuracy and reduce artifacts in temperature measurements.
  • To enable motion-independent temperature mapping.

Main Methods:

  • Chemical shift selective phase mapping technique utilizing frequency-selective suppression.
  • Separate imaging of water and non-water signal phase distributions.

Related Experiment Videos

  • Phase difference imaging between water and oil for internal referencing.

    • Main Results:

    • Successfully reduced errors from non-water signals in chemical shift measurements.
    • Achieved an internally referenced water proton chemical shift measurement.
    • Demonstrated temperature change visualization unaffected by motion-induced susceptibility changes.

    Conclusions:

    • Chemical shift selective phase mapping offers a robust approach for temperature imaging.
    • The method provides accurate, motion-invariant temperature distribution visualization.
    • This technique has potential for applications requiring precise temperature monitoring.