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Abstract #0204

Optimized Combination of Magnetic Resonance Spectroscopy Signal from Multi-Element Coil Arrays

Liang Fang 1,2 , Minjie Wu 1 , Hengyu Ke 2 , Anand Kumar 1 , and Shaolin Yang 1,3

1 Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, United States, 2 School of Electronic Information, Wuhan University, Wuhan, Hubei, China, 3 Department of Radiology, University of Illinois at Chicago, Chicago, IL, United States

Multi-element coil arrays are commonly used in magnetic resonance imaging (MRI) for parallel imaging. However, how to combine the magnetic resonance spectroscopy (MRS) signal from a multi-element receiving coil array has been much less studied than imaging. In this study, we proposed a new method for theoretical optimal combination no matter the noise is correlated or uncorrelated among different coil elements. The validation experiments were performed with different voxel locations/sizes on a 3T MRI scanner with an 8-element head coil. The results verified the superior performance of the proposed method compared with the recently published and other routine combination methods.

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