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Table 1 The mean K trans ,V e values,MVD,VD values and ITSS grade of different grades of gliomas

From: Glioma grading by microvascular permeability parameters derived from dynamic contrast-enhanced MRI and intratumoral susceptibility signal on susceptibility weighted imaging

Tumor grade

K trans min −1

V e

MVD

VD(μm)

ITSS grade

LGG(grade II)

0.026 ± 0.019

0.121 ± 0.130

14.75 ± 4.94

5.10 ± 1.08

1.2

grade III

0.096 ± 0.063

0.483 ± 0.225

26.84 ± 9.17

7.93 ± 1.34

2.8

grade IV

0.135 ± 0.068

0.525 ± 0.180

22.79 ± 3.51

9.83 ± 1.43

2.4

HGG(grade III and IV)

0.117 ± 0.066

0.505 ± 0.197

24.70 ± 6.87

8.93 ± 1.66

2.6

  1. NOTE—Ktrans min−1: volume transfer constant, Ve: volume of extravascular extracellular space (EES) per unit volume of tissue, MVD: microvessel density, VD: vessel diameter.
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Cancer Imaging

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