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Table 2: Measurements of perfusion values determined with CASL and T2DSC
Patient No. CASL Perfusion T2DSC Perfusion
Tumor CBF (mL/min/100 g) Tumor (% Si) Total CBF (mL/min/100 g) Tumor CBV (mL/100 g) Tumor CBF (mL/min/100 g) Tumor MTT (s) Total CBF (mL/min/100 g)
1 91 1.33 26 ND ND ND ND
2 180 4.05 33 67 342 12 55
3 110 1.07 38 22 205 7 76
4 72 0.97 41 4 44 6 49
5 197 1.79 63 59 356 10 81
6 59 0.55 47 13 135 6 76
7 191 2.83 50 68 279 15 70
8 116 1.23 49 33 177 11 71
9 48 0.57 45 ND ND ND ND
10 65 0.70 31 4 59 4 61
11 43 0.44 35 9 63 9 51
12 77 0.68 27 41 258 10 93
13 56 0.66 23 22 126 12 64
14 23 0.28 41 5 178 5 73
15 87 0.71 65 23 54 8 104
16 101 0.72 34 16 190 5 68
17 102 0.75 31 32 183 11 90
18 114 0.47 51 23 127 11 63
19 46 0.41 16 21 157 8 83
20 74 0.56 28 21 153 9 73
21 38 0.36 44 15 76 12 74
Note:—T2DSC indicates T2-dynamic susceptibility contrast; CASL, continuous arterial spin labeling; %SI, percentage signal change relative to local signal intensity; CBF, cerebral blood flow; CBV, cerebral blood volume; MTT, mean transit time.