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Table 1: Mean ± SD of each of the VASO and DSC parameters stratified by tumor grade
Grade VASO_Tumor, % VASO_Contra, % VASO_Ratio CBF, mL of Blood per 100 g of Tissue per Minute CBV, mL of Blood per 100 g of Tissue rCBV K^Trans, s⁻¹ V_P, % MTT, s
II 7.5 ± 3.2 5.4 ± 2.9 1.5 ± 0.5 60.1 ± 25.8 4.2 ± 1.9 1.4 ± 0.5 0.011 ± 0.009 2.0 ± 1.2 4.2 ± 0.6
III 41.3 ± 23.6 6.3 ± 4.2 8.2 ± 5.5 197.8 ± 80.7 15.3 ± 6.9 3.8 ± 1.4 0.019 ± 0.018 2.9 ± 2.3 4.8 ± 1.0
IV 56.1 ± 32.7 4.8 ± 2.3 11.6 ± 3.7 251.9 ± 160.8 17.9 ± 9.5 5.7 ± 2.1 0.022 ± 0.037 3.3 ± 2.7 4.5 ± 0.8
Note:—VASO_Tumor indicates vascular-space occupancy values in the tumoral regions; VASO_Contra, vascular-space occupancy signal intensity in regions contralateral to tumor; VASO_Ratio, ratio between tumor side and contralateral side of the vascular-space occupancy; CBF, cerebral blood flow; CBV, cerebral blood volume; rCBV, relative cerebral blood volume; K^trans, vascular permeability; V_p, fractional plasma volume; MTT, mean transit time.