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Abstract #0122

Visualizing Intrathalamic Structures with Combined Use of MPRAGE and SWI at 7T

Allen Newton 1,2 , Benoit Dawant 3 , and Pierre D'Haese 3

1 Radiology and Radiological Sciences, Vanderbilt University, Nashville, TN, United States, 2 Institute of Imaging Science, Vandebrilt University, Nashville, TN, United States, 3 Electrical Engineering and Computer Science, Vanderbilt University, Nashville, TN, United States

Visualizing intrathalamic structures anatomically is important for guidance of surgical interventions, as well as validating existing thalamic parcellations from functional connectivity or DTI tractography, though it has proven quite difficult. Recent reports have begun to identify methods capable of identifying these structures via susceptibility weighted imaging, or by visualizing white matter boundaries between these structures using optimized MPRAGE acquisitions. We present evidence of the potential for the combined use of these techniques to increase the structures that can identified on an individual level. Furthermore, we demonstrate the utility of imaging with MPRAGE imaging with shorter inerversion delays for intrathalamic parcellation.

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