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Abstract #2107

10 Second Temporal Resolution of Early Enhancement Visualization: Framework for Fast Breast MRI Screening

Jorge E Jimenez1, Roberta M Strigel1,2,3, Kevin M Johnson1, Leah C Henze Bancroft1, Scott B Reeder1,2,4,5,6, and Walter F Block1,2,4

1Department of Medical Physics, University of Wisconsin-Madison, Madison, WI, United States, 2Department of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States, 3Carbone Cancer Center, University of Wisconsin-Madison, Madison, WI, United States, 4Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, United States, 5Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States, 6Department of Emergency Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, United States

In this work, we present a new methodology for an abbreviated dynamic contrast enhanced (DCE) MRI breast screening protocol. The methodology relays on a novel dynamic reconstruction scheme, local low-rank, applied to breast MR imaging for the first time. Our work provides the framework for a high resolution (0.83 mm isotropic), ultra-fast (10 second volumetric frame rate) imaging technology to deliver detailed information of the early enhancement phase of breast lesions, preserving diagnostic accuracy while shortening exam times. We demonstrate the feasibility of the proposed approach.

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