Abstract #1127

Accuracy and Precision of a Breast Diffusion Phantom Across 3T Scanners

Lauren K Fang¹, Ana E Rodríguez-Soto¹, Kathryn E Keenan², and Rebecca A Rakow-Penner¹

¹Radiology, University of California San Diego, La Jolla, CA, United States, ²National Institute of Standards and Technology, Boulder, CO, United States

Diffusion-weighted imaging (DWI) has shown potential to diagnose and monitor breast cancer by differentiating benign and malignant lesions. Malignancy-specific cutoff values for DWI estimates have been difficult to establish due to variability across scanners and imaging sites. Thus, understanding the accuracy and precision of these quantitative methods may inform clinical implementation of DW-MRI. Here, we investigated the accuracy and precision of ADC values within a breast phantom across four 3T MRI scanners by the same vendor.

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