Utility of surveillance MRI in women with a personal history of breast cancer.

Purpose: To determine the utility and rate of biopsy in women with a positive history of breast cancer screened with MRI.

Methods: Retrospective review of 491 breast MRI screening examinations in women with a personal history of breast cancer.

Results: In total, 107 biopsies were performed, an average of 0.09 biopsies per person year. The positive predictive value for biopsies prompted by MRI findings was 0.24 (95% C.I. 0.10-0.38). Eight of the nine subsequent cancers were initially identified on screening MRI alone.

Conclusion: Surveillance MRI in breast cancer survivors may increase detection of subsequent cancers while increasing rate of biopsy.