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Partial Fat-saturated Contrast-enhanced Three-dimensional MR Angiography Compared with Non-Fat-saturated and Conventional Fat-saturated MR Angiography¹

¹ From the Department of Radiology, Richard M. Lucas Center for MR Spectroscopy and Imaging, Stanford University, Stanford, Calif. From the 1999 RSNA scientific assembly. Received August 17, 1999; revision requested October 7; revision received November 5; accepted November 15. P.R.H. supported in part by a Swiss National Science Foundation Fellowship, the Holderbank Foundation, and the Novartis Foundation. M.T.A. and N.J.P. supported in part by National Institutes of Health grant P41 RR09784. D.F. supported in part by an Austrian Science Foundation Fellowship. Address correspondence to P.R.H., Institute of Diagnostic Radiology, University Hospital Zurich, Raemistr 100, CH-8091 Zurich, Switzerland (e-mail: paul.hilfiker@dmr.usz.ch).

Abdominal three-dimensional magnetic resonance angiography was performed in 35 patients in the equilibrium phase without fat saturation, with conventional fat saturation, and with fast partial fat saturation. Qualitative and quantitative evaluation demonstrated significantly better vessel visualization with both fat-saturated techniques. The partial fat-saturated technique provided water-specific images within a breath hold, reducing motion artifacts significantly.

Index terms: Magnetic Resonance (MR), contrast enhancement, 9*.12942² • Magnetic Resonance (MR), fat suppression, 9*.12942² • Magnetic Resonance (MR), pulse sequences, 9*.12942² • Magnetic Resonance (MR), vascular studies, 9*.12942²

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