Abstract #4325

Initial tests of a 4-channel building block for a local 32-channel Rx-only body coil at 7T

Stefan HG Rietsch^1,2, Stephan Orzada¹, Sarah Handtke¹, Sascha Brunheim^1,2, Mark E Ladd^1,3, and Harald H Quick^1,2

¹Erwin L. Hahn Institute for MR Imaging, University of Duisburg-Essen, Essen, Germany, ²Highfield and Hybrid MR Imaging, University Hospital Duisburg-Essen, Essen, Germany, ³Medical Physics in Radiology, German Cancer Research Center (DKFZ), Heidelberg, Germany

Receive-only (Rx) radiofrequency (RF) arrays are widely used in the clinical environment at 1.5 and 3T. At 7T, there is by default no integrated RF body coil. Yet, a 32-channel Tx/Rx body coil built into a 7T MRI system was recently presented. Consequently, this paves the way for 7T body imaging using this coil for Tx and local coils to receive the RF signal. In this work we present a 32-channel Rx-only coil for 7T and evaluate SNR boost and acceleration capabilities of one 4-channel building block.

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