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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