3D non-contrast-enhanced MR angiography with balanced steady-state free precession Dixon method

Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine
Randall B StaffordRichard Frayne

Abstract

Balanced steady-state free precession (bSSFP) is capable of producing ample fat-water separation. In the case of the bSSFP Dixon method, the phase between fat and water can be manipulated by setting repetition time (TR) to an odd-half-multiple of the cycle time and adjusting the center frequency to acquire fat-water in in-phase and opposed-phase images. Adding an image collected when fat and water are in-phase to an image in which fat and water are opposed-phase produces a water-only image. Of the water signals, arterial blood has the highest T(2)/T(1) contrast, making the arterial signal appear brighter than both venous blood and muscle in the final image. In this study, the bSSFP Dixon method was used to collect coronal water-only three-dimensional (3D) volumes at multiple anatomical stations in the legs of five healthy volunteers. The image quality was quantified by region-of-interest (ROI) analysis of signal intensities between arterial blood, venous blood, muscle, and fat. The images were also assessed for diagnostic quality by a trained radiologist. The bSSFP Dixon method was successful in producing non-contrast-enhanced (NCE) images of the blood vessels in the lower limbs. The work presented here is a proof-of-concept fo...Continue Reading

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Citations

Nov 5, 2008·European Radiology·Pauline WongDavid J Lomas
Jun 20, 2008·AJR. American Journal of Roentgenology·Randall B StaffordRichard Frayne
Apr 15, 2009·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Tolga CukurDwight G Nishimura
May 19, 2009·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Tolga Cukur, Dwight G Nishimura
Sep 28, 2010·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Katsumi NakamuraFaiza Admiraal-Behloul
Jul 19, 2012·Journal of Magnetic Resonance Imaging : JMRI·Andrew J Wheaton, Mitsue Miyazaki
Mar 31, 2011·Journal of Magnetic Resonance Imaging : JMRI·Tolga CukurJean H Brittain
May 19, 2011·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·William LefrançoisSylvain Miraux
Oct 31, 2009·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Zhaoyang FanDebiao Li
May 1, 2010·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Sandra HuffUte Ludwig
Jul 3, 2013·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Kie Tae KwonDwight G Nishimura
Dec 14, 2011·Expert Review of Cardiovascular Therapy·Anne Dorte Blankholm, Steffen Ringgaard

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