Abstract #4595

A 72-channel coil system for MR vessel wall imaging of intracranial and carotid arteries at 3 T

Yingchao Tan^1,2,3, Qiaoyan Chen^1,2, Qian Zou³, Yanling Chen³, Junyu Chen³, Xin Liu^1,2, Hairong Zheng^1,2, and Ye Li^1,2

¹Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China, ²Key Laboratory for Magnetic Resonance and Multimodality Imaging of Guangdong Province, Shenzhen, China, ³Shanghai United Imaging Healthcare, Shanghai, China

Synopsis

MR vessel wall imaging of intracranial and carotid arteries is still challenging because of the small cross-sectional size of the vessel wall and the cord, and susceptibility effects, especially in the carotid and the spinal cord. In this study, a 72-channel coil system that consists of a 64-channel head coil combined with an 8-channel carotid coil was proposed and characterized in its performance by comparison with a 40-channel coil system. As a result, the proposed 72-channel coil system provides improved performance in SNR, parallel imaging capability, and image quality.

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