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Abstract #0222

Extracting Phase Contrast from MAVRIC Images Near Metal Implants

Kevin M. Koch1, Matthew F. Koff2, Weitian Chen3, Hollis G. Potter2

1Applied Science Laboratory, GE Healthcare, Milwaukee, WI, United States; 2Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY, United States; 3Applied Science Laboratory, GE Healthcare, Menlo Park, CA, United States

The MAVRIC Multi-Spectral Imaging technique acquires 4D datasets, resolving spins around metal implants in space and Larmor frequency offset. Here, we demonstrate a novel processing technique that extracts phase-contrast images from conventional MAVRIC acquisitions. Dominant trends induced by metal hardware in the phased images are removed to reveal underlying tissue with phase-contrast. The presented method may offer a means to differentiate types of adverse tissue responses near metal implants.