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Abstract #1878

Ultra-High resolution SWI at 3T

Harshan Ravi1, Wen-Tung Wang1, Andrew Knutsen1, Dzung L Pham1, and John A Butman1,2

1Center of neuroscience and rregenerative medicine, Henry Jackson Foundation, Bethesda, MD, United States, 2Department of Radiology, National institute of Health, Bethesda, MD, United States

Susceptibility weighted imaging (SWI) uses phase and magnitude data to increase the conspicuity of sources such as blood vessels and hemorrhages. Typical resolution used in clinical SWI are approximately 0.5-1 mm in-plane and 1-2 mm through plane. Higher resolution has been achieved using 7.0 T MRI, but such units have limited availability. In this work, we generated ultra-high resolution (400 ┬Ám isotropic) SWI at 3.0 T using registration and averaging.

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