In this work, a developed refillable multi-compartment 3D-printed head phantom (established from MRI scans obtained in-vivo) was compared to a homogeneous commercial spherical phantom, the phantom itself with homogeneous loading in all of its compartments and in-vivo (the same volunteer on whom the phantom was based). Through B1 mapping and SAR analysis within an RF coil, the heterogeneous multi-compartment head phantom results were most accurate to the in-vivo volunteer.
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