Whole Body Machines: NMR Phased Array Coil Systems

2007 ◽  
Author(s):  
Peter B. Roemer ◽  
William A. Edelstein ◽  
Cecil E. Hayes
Keyword(s):  
Phased Array ◽  
Whole Body ◽  
Phased Array Coil ◽  
Array Coil

Artifacts by Misalignment of Cardiac Magnetic Resonance Phased-array Coil Elements: From Simulation to In vivo Test

2019 ◽  
Vol 15 (3) ◽  
pp. 301-307
Author(s):  
Daniele De Marchi ◽  
Alessandra Flori ◽  
Nicola Martini ◽  
Giulio Giovannetti
Keyword(s):  
Cardiac Magnetic Resonance ◽  
Magnetic Resonance ◽  
Phased Array ◽  
Signal To Noise Ratio ◽  
Whole Body ◽  
Signal To Noise ◽  
Phased Array Coil ◽  
Noise Ratio ◽  
Array Coil

Background: Cardiac magnetic resonance evaluations generally require a radiofrequency coil setup comprising a transmit whole-body coil and a receive coil. In particular, radiofrequency phased-array coils are employed to pick up the signals emitted by the nuclei with high signal-tonoise ratio and a large region of sensitivity. Methods: Literature discussed different technical issues on how to minimize interactions between array elements and how to combine data from such elements to yield optimum Signal-to-Noise Ratio images. However, image quality strongly depends upon the correct coil position over the heart and of one array coil portion with respect to the other. Results: In particular, simple errors in coil positioning could cause artifacts carrying to an inaccurate interpretation of cardiac magnetic resonance images. Conclusion: This paper describes the effect of array elements misalignment, starting from coil simulation to cardiac magnetic resonance acquisitions with a 1.5 T scanner. </P><P> Phased-array coil simulation was performed using the magnetostatic approach; moreover, phantom and in vivo experiments with a commercial 8-elements cardiac phased-array receiver coil permitted to estimate signal-to-noise ratio and B1 mapping for aligned and shifted coil.

scholarly journals Examination of Measurement and Its Method of Compensation of the Sensitivity Distribution Using Phased Array Coil for Body Scan

2003 ◽  
Vol 59 (9) ◽  
pp. 1164-1173 ◽  
Author(s):  
TETSUYA KIMURA ◽  
DAISE TAHARA ◽  
AKIHISA IIDUKA ◽  
YOSHIYUKI TANIGUCHI ◽  
AKIHIRO ISHIKURO ◽  
...  
Keyword(s):  
Phased Array ◽  
Body Scan ◽  
Sensitivity Distribution ◽  
Phased Array Coil ◽  
Array Coil

High resolution MR imaging of the bilateral hips with dual phased-array coil

1996 ◽  
Vol 6 (6) ◽  
pp. 950-953 ◽  
Author(s):  
Mamoru Niitsu ◽  
Hajime Mishima ◽  
Shumpei Miyakawa ◽  
Yuji Itai
Keyword(s):  
High Resolution ◽  
Mr Imaging ◽  
Phased Array ◽  
Phased Array Coil ◽  
Array Coil

What is the optimum phased array coil design for cardiac and torso magnetic resonance?

1997 ◽  
Vol 37 (4) ◽  
pp. 591-599 ◽  
Author(s):  
Paul A. Bottomley ◽  
Carlos H. Lugo Olivieri ◽  
Randy Giaquinto
Keyword(s):  
Magnetic Resonance ◽  
Phased Array ◽  
Coil Design ◽  
Phased Array Coil ◽  
Array Coil

3.0 T multiparametric prostate MRI using pelvic phased-array coil: Utility for tumor detection prior to biopsy

2013 ◽  
Vol 31 (8) ◽  
pp. 1430-1435 ◽  
Author(s):  
Andrew B. Rosenkrantz ◽  
Thais C. Mussi ◽  
Michael S. Borofsky ◽  
Stephen S. Scionti ◽  
Michael Grasso ◽  
...  
Keyword(s):  
Phased Array ◽  
Tumor Detection ◽  
Prostate Mri ◽  
Multiparametric Prostate Mri ◽  
3.0 T ◽  
Phased Array Coil ◽  
Array Coil
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