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An extended-length coil design for peripheral MR angiography
1Department of Radiology, Georgetown University Hospital, Washington, D.C. 20007.
Magnetic Resonance Imaging
|January 1, 1991
Summary
A new radiofrequency (RF) coil improves peripheral magnetic resonance angiography by offering a larger field of view. This extended-length coil provides image quality comparable to existing knee coils.
Area of Science:
- Medical Imaging
- Biophysics
- Radiology
Background:
- Peripheral magnetic resonance angiography (MRA) is crucial for diagnosing vascular diseases.
- Current imaging coils limit the field of view in peripheral MRA, hindering comprehensive assessment.
- This limitation necessitates multiple scans, increasing examination time and potential for patient discomfort.
Purpose of the Study:
- To develop and evaluate an extended-length, split-saddle radiofrequency (RF) coil for peripheral MRA.
- To overcome the field-of-view limitations of existing coils.
- To maintain or improve image quality compared to standard coils.
Main Methods:
- Construction of a novel extended-length, split-saddle RF coil.
- Inductive coupling of the two coil halves and to the RF source.
- Performance comparison with a commercial knee coil for peripheral angiography.
Main Results:
- The new coil successfully provides an extended field of view for peripheral MRA.
- Image quality achieved with the new coil is comparable to that of a commercial knee coil.
- The split-saddle design and inductive coupling facilitate efficient operation.
Conclusions:
- The developed extended-length RF coil is effective for peripheral MRA.
- It offers a significant advantage in field of view without compromising image quality.
- This innovation has the potential to enhance diagnostic capabilities in peripheral vascular imaging.