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Egyptian Journal of Neurosurgery

Table 6 IOUS criteria of tumors types

From: Gross pathology of brain mass lesions by intraoperative ultrasonography: a comparative study

 

Glioma high grade n.125

Glioma low grade n.33

Total glioma n.158

Metastasis n.43

Meningioma n.20

Other n.42

P

n

%

n

%

n

%

n

%

n

%

n

%

Well-defined edge

108

86.4

31

93.9

139

88.0

40

93.0

20

100.0

41

97.6

0.09

P = 0.24

Regular contour

48

38.4

20

60.6

68

43.0

32

74.4

18

90.0

37

88.1

0.001*

P = 0.021*

Necrosis

90

72.0

1

3.0

91

57.6

33

76.7

4

20.0

18

42.9

0.001*

P = 0.001*

Hematoma

4

3.2

0

0.0

4

2.5

3

7.0

0

0.0

4

9.5

0.12

P = 0.77

Calcification

13

10.4

12

36.4

25

15.2

0

0

9

45.0

5

11.9

0.004*

P = 0.001*

Edema

125

100.0

24

72.7

149

94.3

43

100

10

50.0

35

83.3

0.001*

P = 0.001*

Cysts

113

90.4

21

63.6

134

84.8

15

34.9

4

20.0

16

38.1

0.001*

P = 0.001*

Single

50

40.0

13

39.4

63

39.9

7

16.3

2

10.0

6

14.3

0.001*

P = 0.95

Multiple

63

50.4

8

24.2

71

44.9

8

18.6

2

10.0

10

23.8

0.001*

P = 0.007*

Trabeculation

38

30.4

2

6.1

40

24.7

3

7.0

0

0

0

0

0.001*

P = 0.004*

Thin wall

41

32.8

19

57.6

60

38.0

10

23.3

3

15.0

12

28.6

0.07

P = 0.009*

Thick wall

71

56.8

2

6.1

73

46.2

5

11.6

1

5.0

3

7.1

0.001*

P = 0.001*

Main echogenicity

 Hyper-echogenic

75

60.0

30

90.9

105

66.5

19

44.2

20

100.0

32

76.2

0.001*

P = 0.001*

 Heterogeneous

123

98.4

7

21.2

130

81.6

42

97.7

6

30.0

30

71.4

0.001*

P = 0.001*

Total

125

100.0

33

100.0

158

100.0

43

100.0

20

100.0

42

100.0

  1. *P < 0.05 significant
  2. IOUS (intraoperative ultrasound)
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