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Table 2 Micro-focus X-ray CT image analysis and histological examination

From: Investigation of ossification in the posterior longitudinal ligament using micro-focus X-ray CT scanning and histological examination

Case

Micro-focus X-ray CT image analysis

Histological findings

No.

Age

Sex

Proportion of HDA (%)

Type of HDA

Rate of ossification in total area of calcification (%)

 

C-PAF

I-PAF

PV

1

89

F

32.39

+

-

-

98.8

4

81

M

2.31

+

-

+

98.7

5

74

F

50.84

+

-

-

99.8

6

85

M

9.31

-

+

+

0

9

82

M

5.26

+

-

+

0

10

70

F

0.18

+

-

-

0

14

71

M

6.43

-

+

+

0

15

74

M

6.04

+

-

+

0

17

77

M

1.78

-

-

+

0

19

89

F

2.72

-

-

+

65.2

20

65

M

5.35

-

+

-

0

22

69

F

0.08

-

+

-

0

23

68

F

0.36

+

-

+

97.4

33

67

F

1.11

+

-

-

0

34

78

M

5.4

-

+

+

0

39

74

M

7.19

+

-

+

72.9

41

75

M

8.22

+

-

+

39.3

42

61

F

10.91

+

-

+

98.1

43

78

F

10.88

-

+

-

0

47

79

M

2.1

-

-

+

50.8

50

80

F

11.73

+

-

-

0

52

74

M

2.26

-

-

+

0

56

81

M

2.52

-

-

+

0

57

70

M

0.11

+

-

+

78.9

58

59

F

8.27

+

-

-

0

59

64

M

1.89

+

-

-

99.1

61

83

M

3.3

-

-

+

6.3

62

41

M

0.29

+

-

-

0

66

61

M

1.69

-

-

+

0

67

62

M

0.54

-

-

+

0

69

84

M

8.57

+

-

+

81.7

70

78

M

1.13

-

-

+

0

73

81

M

0.64

-

+

+

0

80

82

M

3.03

+

-

-

87.9

84

61

M

2.79

-

-

+

33.7

85

68

M

0.09

-

+

-

0

86

57

M

4.04

+

-

-

99.6

88

52

F

4.82

-

+

-

4.1

91

61

M

1.87

-

-

+

0

92

76

M

9.58

-

+

-

89.9

93

74

M

1.38

-

-

+

0

94

77

F

25.45

+

-

+

99.5

95

49

M

4.51

-

+

-

27.4

98

58

M

1.44

-

-

+

26

99

83

M

3.19

-

-

+

0

100

77

F

0.15

+

-

-

44

101

89

M

4.28

+

-

+

53.9

102

86

M

38.51

+

-

-

96.6

  1. HDA high-density area
  2. C-PAF continuous posterior-annular fibrosus type
  3. I-PAF isolated posterior-annular fibrosus type
  4. PV posterior-vertebra type