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Dedicated coil for carotid MR angiography
C M Anderson1, D Saloner, R E Lee
1Department of Radiology, San Francisco Veterans Administration Medical Center, CA 94121.
Radiology
|September 1, 1990
Summary
A new magnetic resonance imaging coil enhances imaging of carotid arteries. This coil improves contrast in time-of-flight carotid angiograms by minimizing blood signal saturation.
Area of Science:
- Medical Imaging
- Biophysics
Background:
- Direct coronal and sagittal time-of-flight (TOF) magnetic resonance (MR) angiography is crucial for visualizing the carotid arteries.
- Optimizing image contrast in TOF carotid angiography is essential for accurate diagnosis of vascular diseases.
Purpose of the Study:
- To develop and evaluate a novel MR imaging coil designed to enhance contrast in direct coronal and sagittal TOF carotid angiograms.
Main Methods:
- A specialized MR coil with an extended sensitive volume, covering carotid origins to siphons, was designed and implemented.
- The coil's repositioning capability allows for optimization of angiographic contrast in specific arterial segments by minimizing presaturation of blood flow.
Main Results:
- The developed MR coil demonstrated improved angiographic contrast in time-of-flight carotid imaging.
- Coil repositioning effectively minimized blood presaturation, leading to enhanced signal in the targeted arterial segments.
Conclusions:
- The novel MR coil offers a valuable tool for improving image quality in TOF carotid angiography.
- This technology has the potential to enhance the detection and characterization of carotid artery pathologies.