Correction of gradient-induced phase errors in radial MRI

Magnetic Resonance in Medicine

Volumn 71, Issue 1, 2014, Pages 308-312

  Moussavi, Amir ^a,b   Untenberger, Markus ^a   Uecker, Martin ^c   Frahm, Jens ^a,b  

^a Biomedizinische NMR Forschungs GmbH   (Germany)

^b Deutsche Forschungsgemeinschaft   (Germany)

^c UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

eddy currents; phase errors; radial MRI; real time MRI

Indexed keywords

DATA ACQUISITION; ERRORS; IMAGE ACQUISITION; IMAGE ENHANCEMENT; IMAGE RECONSTRUCTION; MAGNETIC RESONANCE IMAGING;

GRADIENT SYSTEMS; INDUCED EDDY CURRENTS; PARAMAGNETIC CONTRASTS; PHASE CORRECTIONS; PHASE ERROR; PHASE INFORMATION; REAL-TIME MRI; REFERENCE MEASUREMENTS;

EDDY CURRENTS;

CONTRAST MEDIUM;

ARTICLE; ARTIFACT; IMAGE QUALITY; IMAGE RECONSTRUCTION; MAGNETIC FIELD; NUCLEAR MAGNETIC RESONANCE IMAGING; PHANTOM; SIGNAL DETECTION;

EDDY CURRENTS; PHASE ERRORS; RADIAL MRI; REAL-TIME MRI;

ALGORITHMS; ARTIFACTS; CONTRAST MEDIA; GADOLINIUM DTPA; IMAGE ENHANCEMENT; IMAGE INTERPRETATION, COMPUTER-ASSISTED; MAGNETIC RESONANCE IMAGING; PHANTOMS, IMAGING; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY;

EID: 84890800889     PISSN: 07403194     EISSN: 15222594     Source Type: Journal    
DOI: 10.1002/mrm.24643     Document Type: Article

References (15)

1. Jehenson P, Westphal M, Schuff N,. Analytical method for the compensation of eddy-current effects induced by pulsed magnetic field gradients in NMR systems. J Magn Reson 1990; 90: 264-278.
2. Van Vaals JJ, Bergman AH,. Optimization of eddy-current compensation. J Magn Reson 1990; 90: 52-70.
3. 0 field by postprocessing. Magn Reson Med 1989; 12: 253-256.
4. Duyn JH, Yang Y, Frank JA, van der Veen JW,. Simple correction method for k-space trajectory deviations in MRI. J Magn Reson 1998; 132: 150-153.
5. Peters DC, Derbyshire JA, McVeigh ER,. Centering the projection reconstruction trajectory: reducing gradient delay errors. Magn Reson Med 2003; 50: 1-6.
6. Block KT, Uecker M,. Simple method for adaptive gradient-delay compensation in radial MRI. In Proceedings of the 19th Annual Meeting of ISMRM, Montreal, Canada, 2011. p. 2816.
7. Zhang S, Block KT, Frahm J,. Magnetic resonance imaging in real time: advances using radial FLASH. J Magn Reson 2010; 60: 101-109.
8. Uecker M, Zhang S, Voit D, Karaus A, Merboldt KD, Frahm J,. Real-time MRI at a resolution of 20 ms. NMR Biomed 2010; 23: 986-994.
9. 0 field gradient homospoil pulses in high-resolution NMR spectroscopy. Magn Reson Med 1989; 9: 118-125.
10. 0 shifts in diffusion-weighted echo-planar imaging. Magn Reson Med 1999; 41: 95-102.
11. 0 field shifts following the application of pulsed gradients by phase correction in the time domain. J Magn Reson 1986; 69: 151-155.
12. 0 eddy currents: impact on image quality for non-Cartesian imaging. Magn Reson Med 2013; 69: 509-515.
13. Shankaranarayanan A, Wendt M, Lewin J, Duerk J,. Two-step navigatorless correction algorithm for radial k-space MRI acquisitions. Magn Reson Med 2001; 45: 277-288.
14. Akbudak E, Conturo TE,. Arterial input functions from MR phase imaging. Magn Reson Med 1996; 36: 809-815.
15. van Osch MJP, Vonken EPA, Viergever MA, van der Grond J, Bakker CJG,. Measuring the arterial input function with gradient echo sequences. Magn Reson Med 2003; 49: 1067-1076.