Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Fast MRI of RF heating via phase difference mapping.

Erik M Shapiro1, Arijitt Borthakur, Michael J Shapiro

  • 1Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania, USA. shapiroE@ninds.nih.gov

Magnetic Resonance in Medicine
|March 1, 2002
PubMed
Summary

This study introduces a rapid method for creating temperature maps using MRI phase differences. The technique measures temperature changes in phantoms with paramagnetic agents, aiding in MRI safety assessments.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Surgical Management of Maculopathy in Papillorenal Syndrome: Insights From 2 Cases With PAX2 Mutations.

Journal of vitreoretinal diseases·2026
Same author

ST8Sia6-dependent glycosylation restrains gut inflammation and pathogenic T<sub>h</sub>1 and T<sub>h</sub>17 programs.

Cell reports·2026
Same author

Transporter-Mediated Hepatic Uptake of EOB-DTPA and BOPTA Is Largely Independent of Chelated Metal.

Molecular imaging and biology·2026
Same author

Multianimal Magnetic Resonance Imaging for Tumor Measurements in Pancreatic Cancer Mouse Models.

Journal of visualized experiments : JoVE·2026
Same author

Publisher Correction: Hepatic organic anion transporting polypeptides (OATPs) as MRI reporter proteins.

Npj imaging·2026
Same author

Hepatic and abdominal adiposity in type 2 diabetes as assessed with machine learning on computed tomography scans.

Diabetes, obesity & metabolism·2026

Area of Science:

  • Magnetic Resonance Imaging (MRI)
  • Biophysics
  • Medical Physics

Background:

  • Temperature variations can affect MRI signal properties.
  • Accurate temperature monitoring is crucial for MRI safety and sequence optimization.
  • Paramagnetic contrast agents exhibit temperature-dependent chemical shifts.

Purpose of the Study:

  • To develop a rapid method for acquiring temperature maps using MRI.
  • To quantify temperature changes in phantoms using phase difference imaging.
  • To assess the safety of MRI pulse sequences and coils.

Main Methods:

  • Measured temperature-dependent chemical shift coefficients (TDCSCs) for cobalt and dysprosium compounds.
  • Constructed agarose phantoms with paramagnetic metal solutions.

Related Experiment Videos

  • Acquired baseline and probing fast gradient-echo (FGRE) MR images.
  • Processed images to generate phase difference maps for temperature quantification.

    • Main Results:

    • Demonstrated a method for rapid temperature mapping using MRI phase differences.
    • Quantified temperature increases in phantoms subjected to specific MRI procedures.
    • Reported TDCSCs for DyEDTA (-0.09 PPM/K) and CoCl2 (-0.04 PPM/K).

    Conclusions:

    • The developed technique enables quantitative temperature mapping in MRI.
    • This method can be applied to evaluate the thermal safety of MRI hardware and protocols.
    • Phase difference imaging offers a promising approach for real-time temperature monitoring during MRI examinations.