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Follow-up outcomes after benign concordant MRI-guided breast biopsy
Jessica H Hayward1, Kimberly M Ray1, Dorota J Wisner1
1Department of Radiology and Biomedical Imaging, University of California, San Francisco, 1600 Divisadero St., Room C250, San Francisco, CA 94115, USA.
Objective:
To evaluate outcomes of benign concordant magnetic resonance imaging (MRI)-guided breast biopsy.
Methods:
We retrospectively reviewed 611 consecutive MRI-guided breast core biopsies at our institution from 2005 to 2012. Benign concordant cases with MRI follow-up constituted the study group. Lesion appearance on follow-up MRI was assessed and the false-negative rate was calculated.
Results:
Eighty-four lesions in 68 women underwent benign concordant MRI-guided biopsy with subsequent MRI follow-up. Mean time to first follow-up MRI was 10.5 months. Two false negatives were identified on follow-up at 8 and 26 months.
Conclusions:
We report a false-negative rate of MRI-guided breast biopsy of 2.4%.
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