From 7T to 10.5T: B1+, SAR and Temperature Distribution for Head and Body MRI

Keywords

advantages approximation arms array artifacts attention axial benefits better black blood body bottom boundary brain brightness calculation carried central cerebellum challenges channel close coil comparable coronal counted creating decrease described diameter dielectric difficulties distribution done driven drops duke early efficiency elements employed energy equation especially excluded family field forward frequencies global gradient gram gray guiding half head heart heating history human illustrated illustrations improve inner input installation installed intends layers length linear loaded loading local located machines magnitude male managing measures middle mode model much muscle neck next nuclear numerous occurs peak peek performance placed power problem proton push quadrature quickly realized removed required researches response reveals rise safety scales setup sever shielding shimming simulated simulation since sink situation slices source special spurred structures success suggest system systems table technical temperature temperatures tends thermal thin though tissues together torso transmission transverse tuned underestimate upper variation virtual waves ways whole year years