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Abstract #4106

Fixed Geometry 28-Channel Array for Full Head Coverage of Hyperpolarized 13C MRS

Juan D. Sánchez-Heredia1, Aws Ali1,2, Wenjun Wang1, Rie B. Olin1, Vitaliy Zhurbenko1, and Jan H. Ardenkjær-Larsen1
1Department of Health Technology, Technical University of Denmark, Kgs. Lyngby, Denmark, 2Department of Electrical Engineering, Technical University of Denmark, Kgs. Lyngby, Denmark

We describe the design and performance of a 28-channel RF receive array optimized for human head 13C imaging at 3T. The array employs a fixed and symmetric cylindrical geometry to provide predictable prior information of the coil sensitivity profiles, which can be used to resolve practical challenges of hyperpolarized parallel imaging and to improve performance. The results show good SNR and spatial encoding of the different elements, with only small performance difference between the individual elements.

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