Histology

Number

%

Age range (Female: Male) (Mean age)

MALIGNANT

106

85.5

6 - 90 (39:67) (48.7 yr)

Secondary tumors

57

54.3

16 - 90 (18:39) (57.5 yr)

Carcinoma

36

63.1

31 - 90 (9:27)

Mesothelioma

13

22.8

34 - 74 (3:10)

Soft tissue tumors

Malignant fibrous histiocytoma

1

1.7

44 (0:1)

Gastrointestinal stromal tumor

1

1.7

40 (0:1)

Hematologic neoplasms

B cell Lymphoma

5

8.7

16 - 78 (5:0)

Hodgkin’s Lymphoma

1

1.7

21 (1:0)

Primary tumors

49

46.2

6 - 85 (21:28) (38.5 yr)

Soft tissue tumors

37

75.5

6 - 85 (16:21)

Primitive neuroectodermal tumor/Ewing

15

30.6

6 - 54 (5:10)

Malignant fibrous histiocytoma

5

10.2

28 - 85 (2:3)

Sarcomas, not otherwise specified

4

8.2

36 - 46 (3:1)

Malignant peripheral nerve sheath tumor

4

8.2

19 - 78 (3:1)

Leiomyosarcoma

2

4.1

18 - 55 (1:1)

Rhabdomyosarcoma

2

4.1

38 - 58 (1:1)

Synovial Sarcoma

2

4.1

37 - 58 (1:1)

Dermatofibrosarcoma

2

4.1

31 - 43 (0:2)

Liposarcoma

1

2.0

68 (0:1)

Bone and cartilaginous tumors

12

24.5

20 - 72 (5:7)

Chondrosarcoma

7

14.3

24 - 72 (3:4)

Plasma cell neoplasm

3

6.1

46 - 70 (0:3)

Osteosarcoma

1

2.0

20 (1:0)

Giant cell tumor of bone

1

2.0

23 (1:0)

BENIGN

18

14.5

4 - 64 (5:13) (37.8 yr)

Soft tissue tumors

14

77.8

18 - 64 (5:9)

Lipoma

5

35.7

49 - 55 (1:4)

Schwannoma

2

14.3

18 - 64 (1:1)

Benign spindle cell tumor

2

14.3

35 - 41 (2:0)

Hemangioma

2

14.3

29 - 49 (0:2)

Angiolipoma

1

14.3

24 (0:1)

Fibromatosis

1

7.1

21 (1:0)

Neurofibroma

1

7.1

45 (0:1)

Bone and cartilaginous tumors

4

22.2

4 - 37 (0:4)

Langerhans cell histiocytosis

1

0.2

15 (0:1)

Osteoblastoma

1

0.2

4 (0:1)

Osteochondroma

1

0.2

33 (0:1)

Osteochondral hamartoma

1

0.2

37 (0:1)