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Abstract #4011

Improved Reconstruction of Partial Fourier 3D Dual-Echo Dixon Images

Gregory J. Wilson1, 2, Anne-Sophie Glantenay3, Holger Eggers4, Gwenael Herigault3, Thomas G. Perkins1, John Penatzer1, Jeffrey H. Maki2

1Philips Healthcare, Cleveland, OH, United States; 2Radiology, University of Washington, Seattle, WA, United States; 3Philips Healthcare, Best, Netherlands; 4Philips Research, Hamburg, Germany

Calculated in-phase and opposed-phase images can be produced from dual-echo Dixon imaging with flexible echo times. Potentially, this sequence could replace the standard in-phase and opposed-phase multi-slice FFE scan in a liver exam, shortening exam times. For adequate resolution, however, the 3D dual-echo Dixon scan must be acquired with partial Fourier during a breathhold. Partial Fourier acquisitions complicate Dixon reconstruction as phase information is compromised. This study evaluates a new partial Fourier reconstruction method that is compatible with analytical Dixon water-fat separation.