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Abstract #4017

Multi-Shot Diffusion-Weighted Imaging of the Breast in the Supine Position

Catherine J. Moran1, Matthew J. Middione1, Valentina Mazzoli1, Jessica McKay-Nault1, Arnaud Guidon2, Uzma Waheed1, Eric L. Rosen1, Steven P. Poplack1, Jarrett Rosenberg1, Daniel B Ennis1, Brian A. Hargreaves1, and Bruce L. Daniel1
1Radiology, Stanford University, Stanford, CA, United States, 2General Electric Healthcare, Botson, MA, United States


Diffusion-Weighted Imaging (DWI) in the supine position may provide a non-invasive, comfortable, and efficient MRI for breast cancer screening. The strong performance of multi-shot DWI in prone breast MRI has been established. However, supine breast MRI has increased motion, specific B0-inhomogeneity, and cardiac artifacts, all of which may affect multi-shot DWI. This work investigates supine multi-shot DWI of the breast with a flexible array coil. High image quality is achieved and the effects of number of shots and respiratory-gating are delineated. B0-inhomogeneity and ADCs in the supine position are reported including the potential effect of cardiac artifact on ADC measurement.

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