Abstract #2257

Reduced Field of View Multi-Spectral Imaging through Coupled Coil and Frequency Bin Encoding

Andrew S. Nencka¹, Shiv S. Kaushik¹, and Kevin M. Koch¹

¹Radiology, Medical College of Wisconsin, Milwaukee, WI, United States

Advanced methods for imaging around metallic implants yield most benefit in the neighborhood around the implant. However, due to the extent of the anatomy in the region of the implant, large field of view acquisitions are often required. In this work, it is shown that a low-resolution acquisition can be used to inform a subsequent reduced field of view acquisition. Significant reductions in the imaged field of view are possible due to the combination of both spatially varying coil sensitivity profiles along with spatially varying resonance frequency bins. Artifact free regions in the neighborhood of the implant are possible with extreme field of view reductions because of the rapid spatial variability of the imaged resonance frequency bins.

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