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Abstract #2675

Feasibility of Subtractionless Three-Station First-Pass Peripheral MRA at 3 T

Holger Eggers1, Bernhard Schnackenburg2, Marc Kouwenhoven3, Alan Huang3, Tim Leiner4, Rolf Gebker5, and Sebastian Kelle5

1Philips Research, Hamburg, Germany, 2Philips Healthcare, Hamburg, Germany, 3Philips Healthcare, Best, Netherlands, 4Department of Radiology, University Medical Center Utrecht, Utrecht, Netherlands, 5German Heart Institute Berlin, Berlin, Germany

Chemical shift encoding-based water-fat imaging, or Dixon imaging, has recently been demonstrated to permit first-pass peripheral MRA without subtraction. While previous work focused on an evaluation at 1.5 T, this work explores the feasibility of this subtractionless method at 3 T. Results on the first six patients are presented and are compared with the established subtraction method. Substantial improvements in image quality are seen, and the use of three stations is, despite particular challenges at 3 T, preliminarily found to be practicable.

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