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Abstract #4997

Accelerating 3D whole brain quantitative susceptibility mapping acquisition using compressed sensing

Nian Wang1, Gary Cofer1, Yi Qi1, and G. Allan Johnson1

1Center for In Vivo Microscopy, Department of Radiology, Duke University, Durham, NC, United States

To evaluate the feasibility of compressed sensing (CS) for accelerating quantitative susceptibility mapping (QSM) acquisition at a high spatial resolution in mouse brains (22.5 μm3, isotropic). This preliminary study shows that CS can be applied to significantly reduce the acquisition time of GRE MRI of mice brains at 9.4 T without losing apparent accuracy in quantitative susceptibility values.

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