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Abstract #4226

Fiber Tractography Using Slice Accelerated High-Angular-Resolution Diffusion Imaging

Zhaoying Han 1 , Eric Peterson 1 , Sjoerd B. Vos 1,2 , Rafael O'Halloran 1 , Samantha Holdsworth 1 , Eric Aboussouan 1 , Nancy Fischbein 1 , and Roland Bammer 1

1 Radiology, Stanford University, Stanford, California, United States, 2 Image Sciences Institute, University Medical Center Utrecht, Utrecht, Netherlands

Slice accelerated (multiband) DTI shows great potential for reducing scan times of lengthy acquisitions. Multiband imaging can provide significant time saving in long scans, such as high angular diffusion resolution imaging (HARDI) acquisition. DTI-based tractography seeded in the corpus callosum on the mid-sagittal slice were performed, showing comparable results for accelerated HARDI. This study shows that slice accelerations of 2-3 can be used to reduce the otherwise long scan time of HARDI to clinically feasible times, without losing image quality.

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