Effect of respiratory motion on free-breathing 3D stack-of-radial liver

To develop an accurate free-breathing 3D liverA free-breathing multi-echo stack-of-radial sequence was applied in 5 normal subjects and 6 patients at 3 Tesla. Respiratory motion compensation was implemented using the inherent self-gating signal. A breath-hold Cartesian acquisition was the reference standard. Proton density fat fraction andFree-breathing stack-of-radial without self-gating exhibited signal attenuation in echo images and artifactually elevated apparentThe proposed self-gating method corrects the respiratory motion bias and enables accurate free-breathing stack-of-radial quantification of liver