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Abstract #3096

Approaching order of magnitude increase of gradient strength: Non-linear breast gradient coil for diffusion encoding

Sebastian Littin1, Tristan A. Kuder2, Feng Jia1, Arthur Magill2, Philipp Amrein1, Frederik B. Laun3, Sebastian Bicklehaupt4, Mathias Davids5,6,7, Valerie Klein5,7, Mark E. Ladd2, and Maxim Zaitsev1,8
1Department of Radiology, Medical Physics, University Freiburg, Faculty of Medicin, Freiburg, Germany, 2Medical Physics in Radiology, German Cancer Research Center, Heidelberg, Germany, 3Department of Radiology, MR Physics, University Medical Center Erlangen, Erlangen, Germany, 4Department of Radiology, University Medical Center Erlangen, Erlangen, Germany, 5Department of Radiology, A. A. Martinos Center for Biomedical Imaging, Charlestown, MA, United States, 6Harvard Medical School, Boston, MA, United States, 7Computer Assisted Clinical Medicine, Heidelberg University, Medical Faculty Mannheim, Heidelberg, Germany, 8High Field MR Center Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria

Local gradient coils allow for enhanced performance in terms of both gradient amplitude and switching rate. We recently presented the concept of a single channel non-linear breast gradient coil. Here we show results of the characterization, safety assessment and initial diffusion encoded images from phantom experiments of the prototype coil. Is an order of magnitude increase of gradient strength for diffusion weighting feasible using local gradient coils?

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