Abstract #2646

Structural brain imaging with high-resolution 3D MRI on the Next-Generation 7T brain scanner

Alexander JS Beckett^1,2, Jingjia Chen³, Shajan Gunamony^4,5, An T Vu^6,7, Salvatore Torrisi^1,2, Chunlei Liu^1,3, Jason Stockmann^8,9, and David A Feinberg^1,2

¹Helen Wills Neuroscience Institute, University of California, Berkeley, CA, United States, ²Advanced MRI Technologies, Sebastopol, CA, United States, ³Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, CA, United States, ⁴Imaging Centre of Excellence, University of Glasgow, Glasgow, United Kingdom, ⁵MR CoilTech Limited, Glasgow, United Kingdom, ⁶Radiology, University of California, San Francisco, CA, United States, ⁷San Francisco Veteran Affairs Health Care System, San Francisco, CA, United States, ⁸Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, United States, ⁹Harvard-MIT Health Sciences and Technology, MIT, Cambridge, MA, United States

Synopsis

The 128-channel receive, 16-channel parallel transmit capabilities of the new NexGen 7T system, in conjunction with the high amplitude and slew rate of the novel “Impulse” head gradient coil, provide many potential benefits for high-resolution 3D neuroimaging. High channel array coils allow acceleration on two phase encoded axes for very high total acceleration factors, and faster gradients can reduce image readout time for additional benefits. We demonstrate these benefits in different 3D imaging applications (MP2RAGE, FLAIR, FLASH, SWI) at 7T.

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