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Abstract #0144

A 16-channel Rx-only radiofrequency coil for MR spine imaging at 7T

Stefan HG Rietsch1,2, Stephan Orzada1, Jonathan Weine1, Leonard Ruschen1, Sarah Handtke1,3, Raphaela M Berghs1,3, Jessica Kohl1,4, Sascha Brunheim1,2, Mark E Ladd5, and Harald H Quick1,2

1Erwin L. Hahn Institute for Magnetic Resonance Imaging, University of Duisburg-Essen, Essen, Germany, 2High-Field and Hybrid MR Imaging, University Hospital Essen, Essen, Germany, 3Hamm-Lippstadt University of Applied Sciences, Hamm, Germany, 4University of Applied Science Ruhr West, Mülheim an der Ruhr, Germany, 5Medical Physics in Radiology, German Cancer Research Center (DKFZ), Heidelberg, Germany

In clinical MRI systems operating at 1.5 and 3T, built-in 1-channel radiofrequency (RF) transmit body coils are broadly used in conjunction with local receive RF coils. Recently, a 32-channel Tx/Rx remote body coil has been presented for 7T body MRI. In this work we present an additional 16-channel receive-only spine coil to boost signal-to-noise ratio in comparison to measurements where only the 32-channel Tx/Rx remote body coil is used for reception. The SNR gain is demonstrated in a body-sized phantom. Furthermore, first in-vivo imaging results for 7T MRI of the spine during free-breathing are shown.

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