Table 2.
Distribution of spine osseous tumors by location
| Type of tumor | Cervical spine | Thoracic spine | Lumbar spine | Sacral spine | Totals | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | No. | % | No. | % | |
| 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 |
aMore than two anatomical position involved in the same patient