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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