Abstract #2471

Co-registration of pre-biopsy and biopsy MRIs to facilitate lesion localization for MR-guided breast biopsies

Mirabela Rusu¹, Elizabeth A. Morris², Elizabeth J. Sutton², and Ileana Hancu¹

¹GE Global Research, Schenectady, NY, United States, ²Memorial Sloan Kettering Cancer Center, New York, NY, United States

Lesion identification in MR-guided biopsy exams can be hampered by many factors, including large deformations and limited tissue perfusion due to breast compression. Multiple post-contrast scans, image subtraction and maximum intensity projection map generation may be needed to relocate the lesion. This preliminary study suggests that non-rigid registration between the (uncompressed breast) pre-biopsy series and the (compressed breast) biopsy series may facilitate fast and accurate lesion (re)localization, even with limited/absent lesion enhancement.

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