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Abstract #3973

Localization Errors in MR Spectroscopic Imaging Due to the Drift of the Main Magnetic Field and Their Correction

Assaf Tal1, Oded Gonen2

1Radiology, NYU Langone School of Medicine, New York, NY - New York, United States; 2Radiology, New York University, New York, NY - New York, United States

B0 field instabilities lead to sizable localization errors in prolonged phase-encoded spectroscopic imaging, in contrast to line-broadening observed in single-voxel studies. We demonstrate these errors in vivo and in a phantom, and propose an efficient and quick way to correct for them.