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Abstract #2589

Cost Function Guided Image Based B0 Shimming at 3T for Efficient Fat Suppression in Liver and Prostate Imaging

Jeroen Cornelis Siero1, Marielle E. Philippens2, Arjan Willem Simonetti3, Johannes Marinus Hoogduin1, Peter R. Luijten4

1Brain Division, University Medical Center Utrecht, Utrecht, Netherlands; 2Radiotherapy, University Medical Center Utrecht; 3Philips Healthcare, Best, Netherlands; 4Radiology, University Medical Center Utrecht, Utrecht, Netherlands

The potential of cost function guided shimming was shown at 3T for finding optimal shim fields that minimize B0 inhomogeneities on a user-defined region of interest while confining the B0 inhomogeneities outside this ROI. Experiments and simulations using the hybrid shimming approach show the possibility to control frequency selective fat suppression in abdomen and pelvic imaging while maintaining good B0 homogeneity in the region of interest.