Fast imaging for magnetic resonance electrical impedance tomography

Magnetic Resonance Imaging

Volumn 26, Issue 6, 2008, Pages 739-745

  Hamamura, Mark J ^a   Muftuler, L Tugan ^a  

^a UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Conductivity imaging; Impedance tomography; MREIT

Indexed keywords

AGAROSE;

ARTICLE; COMPUTER ASSISTED IMPEDANCE TOMOGRAPHY; CONDUCTANCE; ECHO PLANAR IMAGING; ELECTRON SPIN RESONANCE; MAGNETIC FIELD; NUCLEAR MAGNETIC RESONANCE IMAGING; PRIORITY JOURNAL;

ARTIFACTS; ELECTRIC IMPEDANCE; IMAGE PROCESSING, COMPUTER-ASSISTED; MAGNETIC RESONANCE SPECTROSCOPY; PHANTOMS, IMAGING; TOMOGRAPHY;

EID: 45849153481     PISSN: 0730725X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.mri.2008.01.031     Document Type: Article

References (25)

1. Seagar A.D., Barber D.C., and Brown B.H. Theoretical limits to sensitivity and resolution in impedance imaging. Clin Phys Physiol Meas 8 4A (1987) 13-31
2. Scott G.C., Joy M.L.G., Armstrong R.L., and Henkelman R.M. Measurement of nonuniform current density by magnetic resonance. IEEE Trans Med Imaging 10 3 (1991) 362-374
3. Scott G.C., Joy M.L.G., Armstrong R.L., and Henkelman R.M. RF current density imaging in homogeneous media. Magn Reson Med 28 2 (1992) 186-201
4. Ider Y.Z., and Muftuler L.T. Measurement of AC magnetic field distribution using magnetic resonance imaging. IEEE Trans Med Imaging 16 5 (1997) 617-622
5. Mikac U., Demsar F., Beravs K., and Sersa I. Magnetic resonance imaging of alternating electric currents. Magn Reson Imaging 19 6 (2001) 845-856
6. Maudsley A.A., Simon H.E., and Hilal S.K. Magnetic field measurement by NMR imaging. J Phys [E] 17 3 (1984) 216-220
7. Scott G.C., Joy M.L.G., Armstrong R.L., and Henkelman R.M. Sensitivity of magnetic-resonance current-density imaging. J Magn Reson 97 2 (1992) 235-254
8. Buonocore M.H., and Gao L. Ghost artifact reduction for echo planar imaging using image phase correction. Magn Reson Med 38 1 (1997) 89-100
9. Chiou J.Y., Ahn C.B., Muftuler L.T., and Nalcioglu O. A simple simultaneous geometric and intensity correction method for echo-planar imaging by EPI-based phase modulation. IEEE Trans Med Imaging 22 2 (2003) 200-205
10. Ider Y.Z., and Birgul O. Use of the magnetic field generated by the internal distribution of injected currents for electrical impedance tomography (MR-EIT). Elektrik 6 (1998) 215-225
11. Birgul O., Eyuboglu B.M., and Ider Y.Z. Experimental results for 2D magnetic resonance electrical impedance tomography (MR-EIT) using magnetic flux density in one direction. Phys Med Biol 48 21 (2003) 3485-3504
12. Seo J.K., Yoon J.R., Woo E.J., and Kwon O. Reconstruction of conductivity and current density images using only one component of magnetic field measurements. IEEE Trans Biomed Eng 50 9 (2003) 1121-1124
13. Ider Y.Z., and Onart S. Algebraic reconstruction for 3D magnetic resonance-electrical impedance tomography (MREIT) using one component of magnetic flux density. Physiol Meas 25 1 (2004) 281-294
14. Park C., Kwon O., Woo E.J., and Seo J.K. Electrical conductivity imaging using gradient BZ decomposition algorithm in magnetic resonance electrical impedance tomography (MREIT). IEEE Trans Med Imaging 23 3 (2004) 388-394
15. Park C., Park E.J., Woo E.J., Kwon O., and Seo J.K. Static conductivity imaging using variational gradient BZ algorithm in magnetic resonance electrical impedance tomography. Physiol Meas 25 1 (2004) 257-269
16. Reddy J.N. An Introduction to the finite element method (1993), McGraw-Hill, New York
17. Muftuler L.T., Hamamura M., Birgul O., and Nalcioglu O. Resolution and contrast in magnetic resonance electrical impedance tomography (MREIT) and its application to cancer imaging. Technol Cancer Res Treat 3 6 (2004) 599-609
18. Hamamura M.J., Muftuler L.T., Birgul O., and Nalcioglu O. Measurement of ion diffusion using magnetic resonance electrical impedance tomography. Phys Med Bio 51 11 (2006) 2753-2762
19. Muftuler L.T., Hamamura M.J., Birgul O., and Nalcioglu O. In vivo MRI electrical impedance tomography (MREIT) of tumors. Technol Cancer Res Treat 5 4 (2006) 381-387
20. Birgul O., Hamamura M.J., Muftuler L.T., and Nalcioglu O. Contrast and spatial resolution in MREIT using low amplitude current. Phys Med Biol 51 19 (2006) 5035-5049
21. Golub G.H., Hansen P.C., and O'Leary D.P. Tikhonov regularization and total least squares. SIAM J Matrix Anal Appl 21 1 (1999) 185-194
22. Baumann S.B., Wozny D.R., Kelly S.K., and Meno F.M. The electrical conductivity of human cerebrospinal fluid at body temperature. IEEE Trans Biomed Eng 44 3 (1997) 220-223
23. Kwon O., Woo E.J., Yoon J.R., and Seo J.K. Magnetic resonance electrical impedance tomography (MREIT): simulation study of J-substitution algorithm. IEEE Trans Biomed Eng 49 2 (2002) 160-167
24. Oh S.H., Lee B.I., Woo E.J., Lee S.Y., Kim T.-S., Kwon O., et al. Electrical conductivity images of biological tissue phantoms in MREIT. Phys Meas 26 2 (2005) S279-S288
25. Nalcioglu O., and Cho Z.H. Limits to signal-to-noise improvement by FID averaging in NMR imaging. Phys Med Biol 29 8 (1984) 969-978