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Abstract #3369

The geometric solution to banding mitigates motion artifact in bSSFP imaging

Michael Nicholas Hoff1, Nathan M Cross2, Qing-San Xiang3, Daniel S Hippe2, Charles G Colip2, and Jalal B Andre2
1Radiology, University of Washington, Seattle, WA, United States, 2Radiology, University of Washington, SEATTLE, WA, United States, 3Radiology, University of British Columbia, Vancouver, BC, Canada

Widespread use of phase-cycled bSSFP imaging is hampered by problematic sensitivity to artifacts caused by susceptibility and motion. The geometric solution (GS), which can eliminate susceptibility-related banding and signal modulation, has previously show relative insensitivity to motion. Here, GS-bSSFP is evaluated using a phantom and in humans, imaging the skull base. The GS mitigates motion artifact in both paradigms and is particularly resilient when one of its four phase cycles is corrupted by motion.

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