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Abstract #1081

Microscopic Anisotropy Imaging at 7T Using Asymmetrical Gradient Waveform Encoding

Filip Szczepankiewicz1, Carl-Fredrik Westin2, Freddy Ståhlberg1, Jimmy Lätt3, and Markus Nilsson4

1Dept. of Medical Radiation Physics, Lund University, Lund, Sweden, 2Dept. of Radiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, United States, 3Center for Medical Imaging and Physiology, Skåne University Hospital, Lund, Sweden, 4Lund University Bioimaging Center, Lund University, Lund, Sweden

Diffusion MRI that goes beyond DTI is challenging at 7T due to the short transverse relaxation time. We address this inherent limitation of 7T by employing asymmetric gradient waveforms for diffusion encoding, and demonstrate that imaging of microscopic diffusion anisotropy is feasible at a 7T system.

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