From: The reliability of the computed tomography perfusion parameters as a predictor of colorectal cancer grade: influence of tumor region of interest position
30 mm2 ROI at tumor edge
30 mm2 ROI at tumor center
P value
Blood flow (ml/100 g/min)
88.53 ± 22.45
78.79 ± 28.98
< 0.001
Blood volume (ml/100 g)
6.70 ± 3.79
6.45 ± 3.44
0.14
Permeability-surface area (ml/100 g/min)
10.72 ± 6.82
11.34 ± 5.73
0.17