Abstract #0144

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

Stefan HG Rietsch^1,2, Stephan Orzada¹, Jonathan Weine¹, Leonard Ruschen¹, Sarah Handtke^1,3, Raphaela M Berghs^1,3, Jessica Kohl^1,4, Sascha Brunheim^1,2, Mark E Ladd⁵, and Harald H Quick^1,2

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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