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Magnetic resonance imaging using a ribbonator: hand and wrist
E A Marshall1, J J Listinsky, T L Ceckler
1Department of Biophysics, University of Rochester, New York 14642.
Magnetic Resonance in Medicine
|March 1, 1989
Summary
A novel ribbonator coil offers excellent magnetic resonance imaging for the hand and wrist. Its high radiofrequency efficiency enhances signal-to-noise ratio and anatomical detail in clinical systems.
Area of Science:
- Medical Imaging
- Physics
- Engineering
Background:
- Magnetic Resonance Imaging (MRI) is crucial for diagnosing hand and wrist conditions.
- Optimizing radiofrequency (RF) coil performance is key to improving image quality.
Purpose of the Study:
- To introduce and evaluate a modified solenoid coil, termed the ribbonator, for hand and wrist MRI.
- To assess the ribbonator's performance as both a transmitter and receiver in a clinical 1.5-T system.
Main Methods:
- Designed a modified single-turn solenoid with rectangular symmetry (ribbonator).
- Tested the ribbonator coil in a 1.5-T clinical MRI system for hand and wrist imaging.
- Analyzed RF efficiency, signal-to-noise ratio (SNR), and anatomical resolution.
Main Results:
- The ribbonator coil produced excellent magnetic resonance images of the hand and wrist.
- Achieved high RF efficiency, leading to superior SNR and anatomical resolution.
- Demonstrated the coil's effectiveness as both a transmitter and receiver.
Conclusions:
- The ribbonator coil is a highly effective RF resonator for high-quality hand and wrist MRI.
- Its design offers significant advantages in image quality for small joint imaging.