We evaluated the positive predictive values (PPVs) of internal enhancement and kinetic data in focal areas of non-mass enhancement (NME) in patients undergoing MRI-guided vacuum-assisted breast biopsy (MRI-VABB). Our results show the PPVs of clumped and heterogeneous internal enhancement were similar (PPV=25% vs 21%) suggesting that heterogeneous internal is similar to clumped enhancement. The most predictive kinetic pattern of malignancy was fast initial phase without any tendency for cancer using the delayed phase.
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