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Abstract #1664

Assessing the Performance of Homodyne Combined with 2-point Dixon Reconstruction

Brady Quist 1,2 , Evan G. Levine 1,2 , Bruce L. Daniel 1 , Brian A. Hargreaves 1 , and Manojkumar Saranathan 1

1 Department of Radiology, Stanford University, Stanford, California, United States, 2 Department of Electrical Engineering, Stanford University, Stanford, California, United States

The 2-point Dixon and Homodyne method each rely on certain assumptions of the underlying phase in the image to work correctly. Here we analyze a published method of combining both reconstruction techniques into one, effectively performing fat/water separation while regaining lost resolution from a partial k-space acquisition. New echo times with improved phase characteristics are proposed which are shown to reduce the artifact associated with the method. The Homodyne Dixon method along with the new echo time choice can enable improved temporal or spatial resolution in time-sensitive scans such as DCE or breath hold imaging.

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