Abstract #0215

Design of a 64-Channel ex vivo Brain Rx Array Coil with field monitoring and temperature control for DWI at 3T

Alina Scholz¹, Mirsad Mahmutovic¹, Mona Alem¹, Roland Müller², Torsten Schlumm², Harald E Möller², Anastasia Yendiki^3,4, Gabriel Ramos-Llorden^3,4, Lawrence L Wald^3,4,5, Susie Y Huang^3,4,5, and Boris Keil^1,6

¹Institute of Medical Physics and Radiation Protection (IMPS), TH-Mittelhessen University of Applied Sciences, Giessen, Germany, ²Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany, ³A. A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlstown, MA, United States, ⁴Harvard Medical School, Boston, MA, United States, ⁵Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, United States, ⁶Center for Mind, Brain and Behavior (CMBB), Marburg, Germany

Synopsis

Keywords: RF Arrays & Systems, BrainLong-durational diffusion weighted MRI scans with high gradient strength and high slew rate experiences in addition to the generally low signal-to-noise-ratio several problems, such as image artifacts due to eddy currents and the gradual increase of the sample temperature. Combining a high-density anatomically shaped receive coil with field monitoring and temperature control can overcome these limitations. Therefore, we designed and constructed a 64-channel whole human ex vivo brain Rx coil with integrated field monitoring and temperature control system. First SNR measurements confirm the receive capability with high SNR.

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