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Updated: Jun 19, 2026

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Published on: December 18, 2016

Image reconstructions with the rotating RF coil.

A Trakic¹, H Wang, E Weber

¹The School of Information Technology and Electrical Engineering, The University of Queensland, Australia. trakic@itee.uq.edu.au

Journal of Magnetic Resonance (San Diego, Calif. : 1997)

|October 6, 2009

Summary

This summary is machine-generated.

Rotating RF coils improve MRI but cause artifacts. New Time Division Multiplexed-Sensitivity Encoding (TDM-SENSE) reconstructs images without ghosting and halves scan time for head imaging.

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Area of Science:

Magnetic Resonance Imaging (MRI)
Medical Imaging Technology
Biophysics

Background:

Rotating RF coils offer hardware benefits like single-channel use and reduced coupling.
However, coil motion causes artifacts, violating standard MRI reconstruction principles.
This necessitates novel reconstruction methods for motion-induced artifacts.

Purpose of the Study:

Introduce Time Division Multiplexed-Sensitivity Encoding (TDM-SENSE) for ghost-free MRI.
Exploit rotating RF coil sensitivity profiles for improved image reconstruction.
Reduce overall image acquisition time in MRI scans.

Main Methods:

Developed and implemented a transceive rotating RF coil system for 2 Tesla head imaging.
Applied the Time Division Multiplexed-Sensitivity Encoding (TDM-SENSE) reconstruction scheme.
Conducted in vivo experiments to validate the method's performance.

Main Results:

Achieved alias-free head images using the TDM-SENSE method.
Demonstrated a reduction in image acquisition time by half.
Successfully mitigated ghosting artifacts associated with RF coil motion.

Conclusions:

TDM-SENSE is effective for ghost-free MRI reconstruction with rotating RF coils.
The method significantly reduces scan times for head imaging.
Coil motion can be leveraged for advanced MRI sequences and methods.