Keywords: Breast, Electromagnetic Tissue PropertiesWe evaluated the role of MRI as a problem-solving tool to reduce false-positive biopsy caused by breast ultrasound. Seventy nine participants underwent MRI prior to ultrasound-guided core needle biopsy. The MRI protocol consisted of T2-weighted imaging for conductivity map reconstruction, diffusion-weighted imaging, and abbreviated contrast-enhanced MRI. The conductivity, ADC, and BI-RADS criterion lowered false-positive biopsy by 23%, 38%, and 43%, respectively, while being able to detect all cancers. Conductivity imaging showed the potential but showed lower performance than diffusion-weighted imaging and abbreviated MRI in reducing unnecessary biopsies caused by breast ultrasound.
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