B1 artifact reduction in abdominal DCE‐MRI using kT‐points: First clinical assessment of dynamic RF shimming at 3T

Background The excitation inhomogeneity artifact occurring at 3T in the abdomen can lead to dramatic loss of signal and contrast, thereby hampering diagnosis. Purpose To assess excitation homogeneity and image quality achieved by nonselective prototypical kT‐points pulses, compared to tailored stati...

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Veröffentlicht in:	Journal of magnetic resonance imaging 2018-06, Vol.47 (6), p.1562-1571
Hauptverfasser:	Tomi‐Tricot, Raphaël, Gras, Vincent, Mauconduit, Franck, Legou, François, Boulant, Nicolas, Gebhardt, Matthias, Ritter, Dieter, Kiefer, Berthold, Zerbib, Pierre, Rahmouni, Alain, Vignaud, Alexandre, Luciani, Alain, Amadon, Alexis
Format:	Artikel
Sprache:	eng
Schlagworte:	Abdomen Ascites Computer simulation dynamic contrast enhancement Excitation Field strength Homogeneity Image contrast Image enhancement Image quality Informed consent Inhomogeneity kT‐points Liver Magnetic resonance imaging Mathematical models Medical imaging parallel transmission Patients Population (statistical) Quality assessment Rank tests Shading Statistical analysis Statistical tests
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