7T head volume coils: Improvements for rostral brain imaging

Journal of Magnetic Resonance Imaging

Volumn 29, Issue 2, 2009, Pages 461-465

  Avdievich, Nikolai I ^a   Hetherington, Hoby P ^a   Kuznetsov, Andrey M ^a   Pan, Jullie W ^a  

^a YALE UNIVERSITY SCHOOL OF MEDICINE   (United States)

Author keywords

High field mri; Homogeneity improvement; Rf volume head coil; TEM

Indexed keywords

ARTICLE; BRAIN REGION; HEAD POSITION; MAGNETIC FIELD; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; PRIORITY JOURNAL; RADIOFREQUENCY; TISSUE INTERACTION;

BRAIN; BRAIN MAPPING; HUMANS; IMAGE ENHANCEMENT; MAGNETIC RESONANCE IMAGING; SENSITIVITY AND SPECIFICITY;

EID: 60549099402     PISSN: 10531807     EISSN: 15222586     Source Type: Journal    
DOI: 10.1002/jmri.21660     Document Type: Article

References (17)

1. Vaughan JT, Garwood M, Collins CM, et al. 7T vs. 4T: RF power, homogeneity, and signal-to-noise comparison in head images. Magn Reson Med 2001;46:24-30.
2. Ibrahim TS, Lee R, Baertlein BA, Abduljalil AM, Zhu H, Robitaille P-ML. Effect of RF coil excitation on field inhomogeneity at ultra high fields: a field optimized TEM resonator. Magn Reson Imaging 2001;19:1339-1347.
3. Collins CM, Liu W, Swift BJ, Smith MB. Combination of optimized transmit arrays and some receive array reconstruction methods can yield homogeneous images at very high frequencies. Magn Reson Med 2005;54:1327-1332.
4. Adriany G, Van de Moortele P-F, Wiesinger F, et al. Transmit and receive transmission line arrays for 7 Tesla parallel imaging. Magn Reson Med 2005;53:434-445.
5. Vaughan JT, DelaBarre L, Snyder C, et al. 9.4 T human MRI:preliminary results. Magn Reson Med 2006;56:1274-1282.
6. Nabetani A, McKinnon G, Nakada T, Performance comparison with 15 cm long and 23 cm long birdcage coil on 7 T. In: Proc 14th Annual Meeting ISMRM, Seattle, 2006. p 2608.
7. Vaughan JT, Hetherington HP, Otu JO, Pan JW, Pohost GM. High frequency volume coils for clinical NMR imaging and spectroscopy. Magn Reson Med 1994;32:206-218.
8. Ke Y, Streeter C, Nassar L, et al. Frontal lobe GABA levels in cocaine dependence: a 2D J-resolved MRS study. Psychiat Res Neuroimaging 2004;130:283-293.
9. Unrath A, Ludolph A, Kassubek J. Brain metabolites in definite ALS. J Neurol 2007;254:1099-10106.
10. Kalra S, Hanstock C, Martin W, Allen PS, Johnston WS. Detection of cerebral degeneration in ALS using high field MRS. Arch Neurol 2006;63:1144-1148.
11. 1H transverse electromagnetic (TEM) and 4-channel receive-only phased array for 1H human brain studies. Magn Reson Med 2004;52:1459-1464.
12. Vaughan JT, Adriany G, Garwood M, et al. Detuneable transverse electromagnetic (TEM) volume coil for high field NMR. Magn Resonc Med 2002;47:990-1000.
13. Pan JW, Twieg DB, Hetherington HP. Quantitative spectroscopic imaging of the human brain. Magn Reson Med 1998;40:363-369.
14. Tropp J. A model for MR image shading in multi-mode resonators. In: Proc Workshop on MRI Hardware in Cleveland 2001, Cleveland, 2001. p 11.
15. Yang QX, Wang J, ZhangX, et al. Analysis of wave behavior in lossy dielectric samples at high field. Magn Reson Med 2002;47:982-989.
16. 1 destructive interferences and spatial phase patterns at 7 T with a head transceiver array coil. Magn Reson Med 2005;54:1503-1518.
17. Collins CM, Liu W, Schreiber W, Yang QY, Smith MB. Central brightening due to constructive interference with, without, and despite dielectric resonance. J Magn Reson Imaging 2005;21:192-196.