160 Chapter 6 Figure 5. Visual comparison of hemodynamic parameter maps of a representative subject. Red voxels ona the T2 FLAIR represent the location of the brain metastases, and yellow voxels are regions with edema. The minimum intensity projection (SWI-mIP) indicates the locations of larger cerebral venous vessels. Abbreviations: AAT, arterial arrival time; CBF, cerebral blood flow; CVR, cerebrovascular reactivity DISCUSSION In the current study, baseline perfusion measurements were compared with functional vascular parameters acquired using CVR in a population of patients with brain metastases. These parameters were compared both spatially, and across
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