Table 2 Statistical values of various MRI features in prediction of malignancy

1.

Size > 6 cm

0.95

0.57

0.67

0.93

2.

Size >8 cm

0.75

0.76

0.75

0.76

3.

Shape: irregular, lobulated

0.83

0.76

0.76

0.83

4.

Margins: infiltrative

0.91

0.65

0.70

0.89

5.

Isointensity on T1W

0.70

0.76

0.73

0.74

6.

Slight hyperintensity on T2W

0.95

0.38

0.58

0.90

7.

heterogeneous lesion

1

0.5

0.64

1

8.

Peritumoral edema

0.95

0.5

0.63

0.92

9.

Absence of multiplicity

0.54

0.15

0.37

0.26

10.

Intratumoral necrosis

0.87

0.84

0.84

0.88

11.

Intratumoral hemorrhage

0.70

0.65

0.65

0.70

12.

Intratumoral calcification

0.70

0.88

0.85

0.76

13.

Absence of Intratumoral fat

1

0.07

0.5

1

14.

Absence of Intratumoral fibrosis

0.87

0.03

0.45

0.25

15.

Fascia penetration

0.83

0.73

0.82

0.74

16.

Bone changes

0.83

0.84

0.83

0.84

17.

Neurovascular involvement

0.83

0.88

0.86

0.85

18.

Enhancement pattern (Heterogenous)

1

0.07

0.5

1

19.

Absence of T1 hyperintense tracts

1

0.11

0.51

1

20.

Absence of Fluid-fluid levels

0.83

0.26

0.51

0.63