There is an increasing use of open-bore vertical Magnetic Resonance (MR) systems which consist of two planar radio-frequency (RF) coils. These planar coils generate different electric field distributions compared to that of the conventional cylindrical coils. A recent study showed that RF-induced heating of a neuromodulation device was much lower in the open-bore system. However, imaging landmarks other than the brain have not been evaluated. In this study, we examined the differences in RF exposure using computational modeling and compared specific absorption rate in an anatomical human model at a 1.2T open-bore system with a 1.5T conventional system.
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