Table 2 Imaging features

1

Hypodensity

Heterogeneous hyperintensity

Isointensity

Heterogenous hypointensity

Hyperintensity

Spoke-wheel,

progressive,

centripetal

Uptake

4.5/4.0

2

 N/A

Slightly hypointensity

Isointensity

Heterogenous hypointensity

Hyperintensity

Spoke-wheel,

progressive,

centripetal

Uptake with calcification on CT

5.1

3

 N/A

Slightly hyperintensity

Hypointensity

Hypointensity

Hyperintensity

Progressive eccentric

N/A

N/A

4

N/A

Hypointesity

Hypointensity

Hypointensity

Hyperintensity

Progressive circumferential

N/A

N/A

5

N/A

Hypointensity

Isointensuty

Hypointensity

Isointensity

Progressive

N/A

N/A

6

N/A

Hyperintensity

Hypointensity

Slightly hyperintensity

Hyperintensity

Spoke-wheel,

progressive,

centripetal

N/A

N/A

7

N/A

Hypointensity

Isointensity

Hypointensity

Hyperintensity

Spoke-wheel,

progressive,

centripetal

Uptake with calcification on CT

2.8/3.8

8

 N/A

Isointensity

Isointensity

Hyperintensity

Hyperintensity

Progressive

N/A

N/A

9

N/A

Hypointensity

Isointensity

Hypointensity

Hyperintensity

Progressive

N/A

N/A

10

Hypodensity

Hypointensity

Isointensity

Hypointensity

Hypointensity

Progressive

N/A

N/A

11

Hypodensity

Hypointensity

Isointensity

Hypointensity

Isointensity

Spoke-wheel,

progressive,

centripetal

N/A

N/A

12

N/A

Hypointensity

Isointensity

Hypointensity

Hyperintensity

Progressive

N/A

N/A

13

Hypodensity

N/A

N/A

N/A

N/A

Progressive

N/A

N/A

14

Hypodensity

N/A

N/A

N/A

N/A

Progressive

N/A

N/A