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Abstract #4154

Real-time tracking for MR-guided breast biopsies: dream or reality?

Robert D Darrow 1 , Mark Schneider 2 , Eric W Fiveland 1 , Xiaofeng Liu 1 , and Ileana Hancu 1

1 Global Research Center, GE, Niskayuna, New York, United States, 2 NDI Ascension, Shelburne, Vermont, United States

Many factors can contribute to an inaccurate MR-guided breast biopsy. The lack of real-time visualization of tool advancement towards the biopsy site increases the time to perform the biopsy, and likely contributes to the false negative rate. In this work, we have acquired preliminary evidence, indicating breast immobility during the procedure. Secondly, we have shown that electromagnetic (EM) tracking in the strong fringe field of 3T MRI magnets is feasible. Retrofitting breast biopsy tools with EM sensors could enable real time visualization of tool advancement towards the lesion, hence significantly increase the accuracy and decrease the time needed for breast biopsy procedures.

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