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.