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Abstract #4003

Regional Susceptibility Reconstruction Improves Artifact Incidence and Error in Quantitative Susceptibility Mapping through POSSUM

Priya S Balasubramanian1,2, Pascal Spincemaille2, Thanh Nguyen2, and Yi Wang1,2
1Cornell University, New York City, NY, United States, 2Weill Cornell Medical College, New York City, NY, United States

Quantitative susceptibility mapping methods that selectively mask based on susceptibility thresholds and do regional reconstructions have been introduced to reduce shadowing artifacts when dealing with a large dynamic susceptibility range within the image. Here, we combine this technique with total field reconstructions, which have been shown to reduce errors resulting from incomplete background field removal. Reduced errors and shadow artifacts are demonstrated when compared to prior techniques.

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