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Abstract #1627

Artifact Correction in Temporal Bone Imaging with GS-bSSFP

Michael N Hoff 1 , Greg J Wilson 1 , Qing-San Xiang 2,3 , and Jalal B Andre 1

1 Department of Radiology, University of Washington, Seattle, WA, United States, 2 Department of Radiology, University of British Columbia, Vancouver, BC, Canada, 3 Department of Physics, University of British Columbia, Vancouver, BC, Canada

The geometric solution (GS) is clinically applied to correct artifacts in balanced steady state free precession (bSSFP) images of the temporal bone at 3T. Four phase cycled bSSFP brain images are acquired from a patient, and a pixel-by-pixel GS is computed in the complex plane and compared with a complex average of the images. The solution not only eliminates bSSFP banding and dependence on signal off-resonance, it also shows an insensitivity to motion. Further testing is planned in order to determine the GS capacity for correcting motion artifacts.

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