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Table 7 The probability of the dural based lesion based on the proposed scoring system. All dural-based lesions were scored for 5 benign findings, including the presence of a CSF cleft, dural tail, calcifications, hyperostosis, and the absence of bone destruction. The total imaging score was obtained by adding up the points, one point for each benign finding

From: A proposed imaging scoring system to differentiate dural-based metastasis from meningioma using MR and CT images

   

Diagnosis

p-value

Total

Meningioma

Dural metastasis

Scoring

0

7

0

7

< 0.001a

100%

0%

100%

1

20

4

16

100%

20%

80%

2

15

11

4

100%

73%

27%

3

29

26

3

100%

90%

10%

4

28

27

1

100%

96%

4%

5

16

16

0

100%

100%

0%

 

Total

115

84

31

 
  

100%

73%

27%