Abstract #3393

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

Sascha Brunheim^1,2, Stephan Orzada¹, Sören Johst¹, Marcel Gratz^1,2, Jessica Kohl³, Mark E Ladd^1,4, and Harald H Quick^1,2

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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