Table 2 Distribution of spine osseous tumors by location

Benign tumors

257

20.5

328

26.1

151

12.0

68

5.4

804(780)^a

64.0

Hemangioma

104

8.3

149

11.7

86

6.8

11

0.9

350(340)^a

27.9

Giant cell tumor

44

3.5

87

6.9

23

1.8

36

2.9

190

15.1

Eosinophililc granuoma

20

1.6

22

1.6

5

0.4

0

0.0

47

3.7

Osteoblastoma

17

1.4

30

2.4

5

0.4

1

0.0

53

4.2

Fibroma

17

1.4

5

0.4

5

0.4

3

0.2

30(16)

2.4

Osteoid osteoma

12

1.0

2

0.2

3

0.2

0

0.0

17

1.4

Osteochondroma

21

1.7

12

1.0

11

0.9

2

0.2

46

3.7

Solitary bone cyst

8

0.6

2

0.2

5

0.4

10

0.8

25

2.0

Lipoma

5

0.4

1

0.0

0

0.0

1

0.0

7

0.6

Aneurysmal bone cyst

9

0.7

16

1.3

6

0.5

4

0.3

35

2.8

Fibrous dysplasia

0

0.0

2

0.2

2

0.2

0

0.0

4

0.3

Malignant tumors

87

6.9

151

12.0

80

6.3

134

10.7

452(429) ^a

36.0

PNET/Ewing’s sarcoma

1

0.0

4

0.3

9

0.7

3

0.2

17

1.4

Chordoma

29

2.3

5

0.4

5

0.4

80

6.4

119

9.5

Malignant fibrous histiocytoma

0

0.0

8

0.6

3

0.2

5

0.4

16

1.3

Liposarcoma

0

0.0

0

0.0

0

0.0

1

0.0

1

0.0

Osteosarcoma

2

0.2

6

0.6

0

0.0

5

0.4

13

1.0

Angiosarcoma

1

0.0

12

1.0

4

0.3

0

0.0

17(10)

1.4

Malignant neurilemmoma

4

0.3

4

0.3

12

1.0

12

1.0

32(30) ^a

2.5

Plasma cell myeloma

27

2.1

50

4.0

26

2.1

9

0.7

112(103)

8.9

Leiomyosarcoma

0

0.0

0

0.0

0

0.0

1

0.0

1

0.0

Malignant lymphoma

9

0.7

26

2.1

18

1.4

6

0.5

59(54)^a

4.7

Chondrosarcoma

14

1.1

36

2.9

2

0.2

11

0.9

63

5.0

Fibrosarcoma

0

0.0

0

0.0

1

0.0

1

0.0

2

0.2

Total

344

27.4

479

38.1

231

18.4

202

16.1

1256(1209) ^a

100