Counteracting radio frequency inhomogeneity in the human brain at 7 tesla using strongly modulating pulses

Magnetic Resonance in Medicine

Volumn 61, Issue 5, 2009, Pages 1165-1172

  Boulant, Nicolas ^a,b   Mangin, J F ^a   Amadon, A ^a  

^a DIF   (France)

^b CEA SACLAY   (France)

Author keywords

B1 inhomogeneity; Flip angle homogenizing pulses; High field

Indexed keywords

ADIABATIC PULSE; FIELD STRENGTHS; FLIP ANGLE; GRADIENT ECHO; HIGH FIELD; INHOMOGENEITIES; RADIO FREQUENCIES; THREE DIMENSIONAL IMAGING;

ARTICLE; ARTIFACT REDUCTION; BRAIN MAPPING; ENERGY TRANSFER; GRAY MATTER; HUMAN; IMAGE ANALYSIS; IMAGE PROCESSING; IMAGE QUALITY; MAGNETIC FIELD; MALE; MEASUREMENT; NORMAL HUMAN; NUCLEAR MAGNETIC RESONANCE IMAGING; PARAMETER; RADIOFREQUENCY; SIGNAL DETECTION; SIMULATION; STRONGLY MODULATING PULSE; TECHNIQUE; THREE DIMENSIONAL IMAGING; WHITE MATTER;

EID: 66149143614     PISSN: 07403194     EISSN: 15222594     Source Type: Journal    
DOI: 10.1002/mrm.21955     Document Type: Article

References (30)

1. Van de Moortele PF, Akgun C, Adriany G, Moeller S, Ritter J, Collins CM, Smith MB, Vaughan JT, Ugurbil K. B1 destructive interferences and spatial phase patterns at 7 T with a head transceiver array coil. Magn Reson Med 2005;54:1503-1518. (Pubitemid 41740779)
2. Yang QX, Wang J, Zhang X, Collins CM, Smith MB, Liu H, Zhu XH, Vaughan JT, Ugurbil K, Chen W. Analysis of Wave behavior in lossy dielectric samples at high field. Magn Reson Med 2002;47:982-989. (Pubitemid 34454057)
3. Mao W, Smith MB, Collins CM. Exploring the limits of RF-shimming for high-field MRI of the human head. Magn Reson Med 2006;56:918-922. (Pubitemid 44477676)
4. Saekho S, Boada FE, Noll DC, Stenger VA. Small tip angle three-dimensional tailored radiofrequency slab-select pulse for reduced B1 inhomogeneity at 3T. Magn Reson Med 2005;53:479-484. (Pubitemid 40171064)
5. Saekho S, Yip C-Y, Noll DC, Boada FE, Stenger VA. Fast-kz three-dimensional tailored radiofrequency pulse for reduced B1 inhomogeneity. Magn Reson Med 2006;55:719-724.
6. Katscher U, Bornert P, Leussler C, van den Brink JS. Transmit SENSE. Magn Reson Med 2003;49:144-150.
7. Zhu Y. Parallel excitation with an array of transmit coils. Magn Reson Med 2004;51:775-784. (Pubitemid 38420455)
8. Grissom W, Yip C-Y, Zhang Z, Stenger A, Fessler JA, Noll DC. Spatial domain method for the design of RF pulses in multicoil parallel excitation. Magn Reson Med 2006;56:620-629. (Pubitemid 44338881)
9. Ullmann P, Junge S, Wick M, Ruhm W, Hennig J. Experimental verification of transmit sense with simultaneous RF-transmission on multiple channels. In: Proceedings of the 13th Annual Meeting of the ISMRM, Miami Beach, Florida, USA, 2005. (abstract 15).
10. Vaughan T, DelaBarre L, Snyder C, Tian J, Akgun C, Shrivastava D, Liu W, Olson C, Adriany G, Strupp J, Andersen P, Gopinath A, Van de Moortele PF, Garwood M, Ugurbil K. 9.4 T human MRI: preliminary results. Magn Reson Med 2006;56:1274-1282.
11. Grissom WA, Fessler JA, Noll DC. Additive-angle method for fast large-tip-angle RF Pulse design in parallel excitation. In: Proceedings of the 15th Annual Meeting of ISMRM, Berlin, Germany, 2007. p 1689.
12. Hoult DI, Phil D. Sensitivity and power deposition in a high-field imaging experiment. J Magn Reson Imaging 2000;12:46-67. (Pubitemid 30437264)
13. Collins CM, Wang Z, Mao W, Fang J, Liu W, Smith MB. Array-optimized composite pulse for excellent whole-brain homogeneity in high-field MRI. Magn Reson Med 2007;57:470-474. (Pubitemid 46385856)
14. Fortunato EM, Pravia MA, Boulant N, Teklemariam G, Havel TF, Cory DG. Design of strongly modulating pulses to implement precise effective Hamiltonians for quantum information processing. J Chem Phys 2002;116:7599-7606. (Pubitemid 34599073)
15. Pravia MA, Boulant N, Emerson J, Farid A, Fortunato EM, Havel TF, Martinez R, Cory DG. Robust control of quantum information. J Chem Phys 2003;119:9993-10001.
16. Boulant N, LeBihan D, Amadon A. Strongly modulating pulses for counteracting RF inhomogeneity at high fields. Magn Reson Med 2008;60:701-708.
17. Bernstein MA, King KF, Zhou XJ. Handbook of MRI pulse sequences. London: Elsevier Academic Press; 2004.
18. Yarnykh VL. Actual flip-angle imaging in the pulsed steady state: a method for rapid three-dimensional RF transmitted field. Magn Reson Med 2007;57:192-200. (Pubitemid 46067949)
19. Amadon A, Boulant N. In: Proceedings of the 16th Annual Meeting of the ISMRM, Toronto, Canada, 2008. p 1248.
20. Vlaardingerbroek MT, den Boer JA. Magnetic resonance imaging, theory and practice. Berlin: Springer; 2004.
21. Pfeuffer J, Merkle H, Beyerlein M, Steudel T, Logothetis NK. Anatomical and functional MR imaging in the macaque monkey using a vertical large-bore 7 Tesla setup. Magn Reson Imaging 2004;10:1343-1359. (Pubitemid 40221930)
22. Mangin J-F. Entropy minimization for automatic correction of intensity nonuniformity. In: Proceedings of the IEEE Workshop on Mathematical Methods in Biomedical Image Analysis, Hilton Head Island, South Carolina, USA, 2000, p 162-169.
23. Mangin J-F, Coulon O, Frouin V. Robust brain segmentation using histogram scale-space analysis and mathematical morphology. Berlin: Springer Verlag; 1998. p 1230-1241.
24. Mangin J-F, Frouin V, Bloch I, Régis J, Lopez-Krahe J. From 3D magnetic resonance images to structural representations of the cortex topography using topology preserving deformations. J Math Imaging Vis 1995;5:297-318.
25. de Graaf RA. In vivo NMR spectroscopy, principles and techniques. New York: Wiley and Sons; 1998.
26. Garwood M, Ke Yong. Symmetric pulses to induce arbitrary flip angles with compensation for RF inhomogeneity and resonance offsets. J Magn Reson 1991;94:511-525.
27. Wolff SD, Eng J, Balaban RS. Magnetization transfer contrast: method for improving contrast in gradient-recalled-echo images. Radiology 1191;179:133-137.
28. Stanisz GJ, Odrobina EE, Pun J, Escaravage M, Graham S, Bronskill M, Henkelman RM. T1, T2 Relaxation and Magnetization Transfer in Tissue at 3 T. Magn Reson Med 2005;54:507-512.
29. Pike GB. Pulsed magnetization transfer contrast in gradient echo imaging: a two-pool analytic description of signal response. Magn Reson Med 1996;36:95-103. (Pubitemid 26196538)
30. Sled J. G, Pike G. B. Quantitative imaging of magnetization transfer exchange and relaxation properties in vivo using MRI. Magn Reson Med 2001;46:923-931. (Pubitemid 33019916)