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Abstract #2522

Fast and High-Resolution T2* weighted and susceptibility-based MRI using 3D-EPI with Deep Learning Reconstruction

Brice Fernandez1, R. Marc Lebel2, Xinzeng Wang3, Arnaud Guidon4, Suchandrima Banerjee5, Stefan Skare6,7, and Tim Sprenger8
1GE Healthcare, Buc, France, 2GE Healthcare, Calgary, AB, Canada, 3GE Healthcare, Houston, TX, United States, 4GE Healthcare, Boston, MA, United States, 5GE Healthcare, Menlo Park, CA, United States, 6Karolinska University Hospital, Stockholm, Sweden, 7Karolinska Institutet, Stockholm, Sweden, 8GE Healthcare, Stockholm, Sweden


Fast and high-resolution T2*w and susceptibility-weighted imaging is an essential part of brain MR assessment for many neurological conditions. Very high spatial resolution can be helpful for visualization of microvascular details as well as the central vein sign in white matter Multiple Sclerosis lesions, but such scans have a long acquisition time. In this abstract, we demonstrate high-quality whole-brain T2*w and susceptibility-based MRI at 0.5 mm isotropic resolution in less than 4 minutes using a 3D-echo-planar acquisition and a deep learning reconstruction. Finally, straightforward improvements are discussed for further reduction of the scan time.

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