Our proposed DWI reading method based on the BI-RADS lexicons from multiple b-value images had comparable diagnostic performance to the standard BI-RADS. DWI reading method tended to show with higher specificity, and might increase diagnostic confidence in differentiating malignant and benign breast tumors. Excellent to substantial agreement was observed for DWI reading, and substantial agreement was found for mass type classifications between DWI and BI-RADS. Significant difference found in lesion conspicuity between malignant and benign tumors and ADC values assessmet may also provide confidence in tumor characterization.
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