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Abstract #0498

Respiration Induced B0 Variation in Double Echo Steady State Imaging (DESS) in the Breast

Catherine J Moran 1 , Kristin L Granlund 1 , Bragi Sveinsson 1,2 , Marcus T Alley 1 , Bruce L. Daniel 1 , and Brian A Hargreaves 1

1 Radiology, Stanford University, Stanford, CA, United States, 2 Electrical Engineering, Stanford University, Stanford, CA, United States

The Double Echo Steady State (DESS) sequence has been shown to provide diffusion weighted breast images without the severe distortion of EPI DWI. However, DESS images in the breast demonstrate prominent ghosting artifacts, which, in the low SNR second echo can compromise image quality. We investigated respiration induced B0 in the breasts as the source of this artifact and present initial results of correction of the artifact using a DC navigator.

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