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Figure 7. Association between the measure of capillary permeability (Ktrans) and the serum vascular endothelial growth factor (VEGF) platelet ratio. The association supports, though far from proves, that MR based measures of vascularity, in this case capillary permeability are related to the underlying angiogenic process. Platelets normally carry VEGF and therefore we were concerned to account for the patient's platelet count, hence the expression of the ratio.
