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Abstract #4279

Breast Implant MRI with an Extended 4-Point Ideal Method

Jedrzej Burakiewicz1, Annette Jones2, Sarah McWilliams2, Jyoti Parikh2, Hema Verma2, Tobias Schaeffter1, Geoffrey David Charles-Edwards1, 2

1Biomedical Engineering, King's College London, London, United Kingdom; 2Guy's and St. Thomas' NHS Trust, London, United Kingdom

Separating silicone signal is an important issue in breast imaging, particularly when ruptures of the implant are suspected. Methods used up to date include either STIR or spectral suppression, or a combination of both. These however are susceptible to B0 inhomogeneities and can reduce signal strength. We present a combination of a 4-point IDEAL method with an optimised initial echo time,and with a region growing algorithm to provide a good initial estimate for the B0 map to efficiently separate water, fat and silicone signals; we also show first clinical results from a breast implant patient.