Artifact free T2*-weighted imaging at high spatial resolution using segmented EPI sequences;Artefakt-freie hochaufgelöste T2*-gewichtete Bildgebung mit segmentierten EPI-Sequenzen

Zeitschrift fur Medizinische Physik

Volumn 20, Issue 3, 2010, Pages 166-174

  Heiler, Patrick Michael ^a   Schmitter, Sebastian ^b   Schad, Lothar Rudi ^a  

^a UNIVERSITY OF HEIDELBERG   (Germany)

^b GERMAN CANCER RESEARCH CENTER DKFZ   (Germany)

Author keywords

Echo train shifting; High resolution fMRI; Multi shot EPI; Reversed gradient method; T2* weighted imaging

Indexed keywords

ARTICLE; ARTIFACT REDUCTION; CONTRAST ENHANCEMENT; ECHO PLANAR IMAGING; FEASIBILITY STUDY; FUNCTIONAL MAGNETIC RESONANCE IMAGING; IMAGE DISPLAY; IMAGE ENHANCEMENT; IMAGE PROCESSING; IMAGE QUALITY; MEASUREMENT; PHANTOM; RADIOLOGICAL PARAMETERS; SIGNAL NOISE RATIO; SIMULATION;

BRAIN; COMPUTER SIMULATION; ELECTROENCEPHALOGRAPHY; FEEDBACK, SENSORY; HUMANS; MAGNETIC RESONANCE IMAGING; PHANTOMS, IMAGING; VISUAL PERCEPTION;

EID: 77956619473     PISSN: 09393889     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.zemedi.2010.02.005     Document Type: Article

References (22)

1. Erb M., Saur R. Funktionelle MR-Bildgebung für die neurochirurgische Operationsplanung. Z Med Phys 2007, 17:242-249.
2. Haase A., Frahm J., Matthaei D., Haenicke W., Merboldt K.D. FLASH imaging, rapid NMR imaging using low flip-angle pulses. J Magn Reson 1986, 67:258-266.
3. Ogawa S., Lee T.M., Nayak A.S., Glynn P. Oxygenation-Sensitive Contrast in Magnetic Resonance Image of Rodent Brain at High Magnetic Fields. Magn Reson Med 1990, 14:68-78.
4. Ogawa S., Lee T.M., Kay A.R., Tank D.W. Brain magnetic resonance imaging with contrast dependent on blood oxygenation. Proc Natl Acad Sci USA 1990, 87:9868-9872.
5. Mansfield P. Multi-planar image formation using NMR spin echoes. J Phys C 1977, 10:L55-L58.
6. Schad L.R., Bock M., Müller E., Lorenz W.J. Echo planar imaging on a standard 1.5 Tesla imager. Z Med Phys 1995, 5:205-207.
7. Menon R.S., Goodyear B.G. Submillimeter functional localization in human striate cortex using BOLD contrast at 4 tesla: implications for the vascular point spread function. Magn Reson Med 1999, 41:230-235.
8. Goodyear B.G., Menon R.S. Brief visual stimulation allows mapping of ocular dominance in visual cortex using fMRI. Hum Brain Mapp 2001, 14:210-217.
9. Cheng K., Waggoner R.A., Tanaka K. Human ocular dominance columns as revealed in high-field functional magnetic resonance imaging. Neuron 2001, 32:359-374.
10. Yacoub E., Shmuel A., Logothetis N., Ugurbil K. Robust detection of ocular dominance columns in humans using Hahn Spin Echo BOLD functional MRI at 7 Tesla. Neuroimage 2007, 37:1161-1177.
11. Schad L.R., Wiener E., Baudendistel K.T., Müller E., Lorenz W.J. Event-related functional MR imaging of visual cortex stimulation at high temporal resolution using a standard 1.5T imager. Mag Res Imag 1995, 13:899-901.
12. Wiener E., Schad L.R., Baudendistel K., Essig M., Müller E., Lorenz W.J. Functional MR imaging of visual and motor cortex stimulation at high temporal resolution using a FLASH technique on a standard 1.5 Tesla scanner. Mag Res Imag 1996, 14:447-483.
13. Voit D., Frahm J. Echo train shifted multi-echo FLASH for functional MRI of the human brain at ultra-high spatial resolution. NMR Biomed 2005, 18:481-488.
14. Feinberg D.A., Turner R., Jakab P.D., von Kienlin M. Echo Planar Imaging with Asymmetric Gradient Modulation and Inner-Volume Excitation. Magn Reson Med 1989, 13:162-169.
15. Feinberg D.A., Oshio K. Gradient-echo shifting in fast MRI techniques (GRASE Imaging) for correction of field inhomogeneity errors and chemical shift. J Magn Reson 1992, 97:177-183.
16. Yang Q.X., Posse S., Le Bihan D., Smith M.B. Double-Sampled Echo-Planar Imaging at 3 Tesla. J Magn Reson B 1996, 113:145-150.
17. Chang H., Fitzpatrick J.M. A Technique for Accurate Magnetic Resonance Imaging in the Presence of Field Inhomogeneities. IEEE Trans Med Imag 1992, 11:319-329.
18. Bowtell R, McIntyre DJO, Commandre M-J, Glover PM, Mansfield P. Correction of Geometric Distortion in Echo Planar Images. Proceedings of the 2nd meeting of the SMR 1994; p. 411.
19. Morgan P.S., Bowtell R.W., McIntyre D.J.O., Worthington B.S. Correction of Spatial Distortions in EPI due to Inhomogeneous Static Magnetic Fields Using the Reversed Gradient Method. J Magn Reson Imaging 2004, 19:499-507.
20. Andersson J.L.R., Skare S., Ashburner J. How to correct susceptibility distortions in spin-echo echo-planar images: application to diffusion tensor imaging. Neuroimage 2003, 20:870-888.
21. Pauly J., Nishimura D., Macovski A. A k-space analysis of small-tip-angle excitation. J Magn Reson 1989, 81:43-56.
22. Heiler PM, Konstandin S, Schad LR. Inner volume BOLD-fMRI at ultra-high spatial resolution. Proceedings of the 17th meeting of the ISMRM 2009; p. 1551.