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 Davids^5,6,7, Valerie Klein^5,7, Mark E. Ladd², and Maxim Zaitsev^1,8

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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