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Table 5 Analysis of the different MRI and CT imaging features

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

  

Diagnosis & grade

p-valuea

  

Meningioma grade 1 (n = 68)

Meningioma grade 2 (n = 16)

Dural metastasis (n = 31)

n

%

n

%

n

%

Edema

Yes

43

63%

14

88%

30

97%

0.001

No

25

37%

2

13%

1

3%

 

Cystic changes

Yes

11

16%

11

69%

8

26%

< 0.001

No

57

84%

5

31%

23

74%

 

CSF cleft

Yes

58

85%

14

88%

12

39%

< 0.001

No

10

15%

2

13%

19

61%

 

T2 appearance

Iso

30

44%

3

19%

4

13%

0.013b

Hypo

6

9%

0

0%

6

19%

 

Hyperintense

9

13%

4

25%

7

23%

 

Heterogenous

23

34%

9

56%

14

45%

 

Leptomeningeal enhancment

Yes

0

0%

1

6%

12

39%

< 0.001b

No

68

100%

15

94%

19

61%

 

Dural tail

Yes

57

84%

13

81%

6

19%

< 0.001

No

11

16%

3

19%

25

81%

 

Calcification

Yes

26

38%

8

50%

3

10%

0.005

No

42

62%

8

50%

28

90%

 

Bone destruction

Yes

5

7%

2

13%

15

48%

< 0.001

No

63

93%

14

88%

16

52%

 

Hyperosteosis

Yes

28

41%

11

69%

0

0%

< 0.001

No

40

59%

5

31%

31

100%

 
  1. a p-values determined using Chi-Square test
  2. b Fisher Exact test used instead of Chi-Square test
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BMC Medical Imaging

ISSN: 1471-2342

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