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Fig. 1D —T1-weighted dynamic contrast-enhanced relative permeability and T2^*-weighted dynamic susceptibility contrast (DSC) imaging studies in 51-year-old man with biopsy-proven glioblastoma multiforme. Relative cerebral blood volume (rCBV) map derived from DSC series depicted in C in which high rCBV values are demarcated in red and yellow (see color-coding spectrum on left side of image) shows increased rCBV throughout much of mass, but rCBV is most increased in medial and anterior portions of mass (same general regions as highest enhancement values seen in B). This image corresponds to dynamic contrast-enhanced image shown in B. Mean rCBV value within all pixels was 122% of normal baseline values in right lentiform nucleus, which was the highest seen in this series of patients.