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Abstract #3393

16-channel pTx body MRI for reduced field of view lumbar spine and kidney imaging at 7 Tesla

Sascha Brunheim1,2, Stephan Orzada1, Sören Johst1, Marcel Gratz1,2, Jessica Kohl3, Mark E Ladd1,4, and Harald H Quick1,2

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

In this work we present in-vivo pTx excitation results in the low flip angle regime with a 16-channel transceiver body array at 7 Tesla. The pTx pulse calculation was based on a jointly fast acquired B0 and single-channel B1+ dataset (B01TIAMO) of the central abdomen. The pTx pulse enabled us to acquire high-resolution reduced field of view images of the distal spinal cord and the unilateral left kidney. The results of the established workflow for abdominal pTx provide promising perspectives, especially for neuroradiological spine imaging.

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