Correction of chemical-shift artifacts in <SUP><FONT SIZE='-1'>19</FONT></SUP>F imaging of PFOB: A robust signed magnitude method Export

@article{LE92b, abstract = {This paper describes a method for correcting the chemical-shift artifacts in 19F NMR imaging of perfluoroctylbromide emulsion (PFOB) by utilizing the two spectral peaks of PFOB which have a long T2 value in conjunction with the Dixon method. Corrected images are obtained from the magnitude of the measured images using the sign determined from the phase images. The method was tested in the presence of several phase deformation factors, such as static magnetic field inhomogeneity and inaccurate time shift of the pi refocusing pulse, which affect the phase errors of each pixel in the reconstructed image. The advantage of the signed magnitude method is demonstrated experimentally by comparing it with the currently used complex and magnitude summation/subtraction methods. {\copyright} 1992 Academic Press, Inc.}, address = {Department of Radiological Sciences, Division of Physics and Engineering, University of California, Irvine, California 92717}, author = {Lee, H. K. and Nalcioglu, O. and Buxton, R. B.}, citeulike-article-id = {3457450}, citeulike-linkout-0 = {http://dx.doi.org/10.1002/mrm.1910230206}, citeulike-linkout-1 = {http://www3.interscience.wiley.com/cgi-bin/abstract/112150671/ABSTRACT}, doi = {10.1002/mrm.1910230206}, journal = {Magnetic Resonance in Medicine}, keywords = {artifact, chemical, le92b, perfluorocarbons, pfcima, shift}, number = {2}, pages = {254--263}, posted-at = {2008-10-28 13:42:22}, priority = {0}, title = {Correction of chemical-shift artifacts in <SUP><FONT SIZE='-1'>19</FONT></SUP>F imaging of PFOB: A robust signed magnitude method}, url = {http://dx.doi.org/10.1002/mrm.1910230206}, volume = {23}, year = {1992} }

TY - JOUR ID - LE92b L3 - citeulike-article-id:3457450 N2 - This paper describes a method for correcting the chemical-shift artifacts in 19F NMR imaging of perfluoroctylbromide emulsion (PFOB) by utilizing the two spectral peaks of PFOB which have a long T2 value in conjunction with the Dixon method. Corrected images are obtained from the magnitude of the measured images using the sign determined from the phase images. The method was tested in the presence of several phase deformation factors, such as static magnetic field inhomogeneity and inaccurate time shift of the pi refocusing pulse, which affect the phase errors of each pixel in the reconstructed image. The advantage of the signed magnitude method is demonstrated experimentally by comparing it with the currently used complex and magnitude summation/subtraction methods. © 1992 Academic Press, Inc. IS - 2 JF - Magnetic Resonance in Medicine AD - Department of Radiological Sciences, Division of Physics and Engineering, University of California, Irvine, California 92717 EP - 263 TI - Correction of chemical-shift artifacts in <SUP><FONT SIZE='-1'>19</FONT></SUP>F imaging of PFOB: A robust signed magnitude method VL - 23 SP - 254 KW - artifact KW - chemical KW - le92b KW - perfluorocarbons KW - pfcima KW - shift AU - Lee, HK AU - Nalcioglu, O AU - Buxton, RB PY - 1992/// UR - http://dx.doi.org/10.1002/mrm.1910230206 ER -