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FIG 7. Quantitation of fast SE T2-weighted and GRE T2*-weighted MR images. Normalized mean T2 signal intensity values with standard mean error in areas of absent, minimal, and maximal ferumoxtran enhancement in the tumor as well as in brain around tumor (BAT) (n = 15 patients). a indicates P < .01 compared with the precontrast fast SE (FSE) T2-weighted images; b, P < .005 comparing ferumoxtran (Combidex)-enhanced GRE T2*-weighted images with ferumoxtran-enhanced fast SE T2-weighted images; c, P < .001 compared with precontrast fast SE T2-weighted images; d, P < .05 comparing ferumoxtran-enhanced GRE T2*-weighted images with ferumoxtran-enhanced fast SE T2-weighted images.
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