Figure 2

MR QSM and application to detect SPIO in live subjects. (a) MR post-processing steps to generate QSM from GRE complex DICOM images. Yellow dotted circles are drawn on the magnitude map to indicate the location of SPIO injections. (b) Intravenously injected ferumoxytol was identified by QSM. The yellow dotted circle on the magnitude image points to subcutaneous PC3 tumor.