Abstract #3558

Visualization of Deep Brain Stimulation Targets at 0.5T

Chad Harris¹, Andrew Curtis¹, Curtis Wiens¹, Jurgen Germann^2,3, Alexandre Boutet^2,3, Andres M Lozano^2,3, and Jeff Stainsby¹

¹MR, Synaptive Medical, Toronto, ON, Canada, ²University Health Network, Toronto, ON, Canada, ³University of Toronto, Toronto, ON, Canada

Synopsis

Keywords: Epilepsy, Contrast MechanismsThe utility of visualizing deep brain stimulation targets at 0.5T was explored. 3D SWI images show direct visualization of the subthalamic nuclei and surrounding iron-rich structures. With the excellent gray-white matter contrast possible at mid-field, 3D T1-weighted imaging can directly visualize the globus pallidus interna. The elevated T1 contrast produces excellent 3D T1-weighted imaging at multiple inversion times which are suitable for, and aid in, atlas-based segmentation approaches for DBS targeting.

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