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Histologic subtype of osteosarcoma of the spine (n=648)
| Subtype | % of cohort (n) |
|---|---|
| Osteosarcoma, not otherwise specified | 70.9 (460) |
| Chondroblastic osteosarcoma | 15.7 (102) |
| Fibroblastic osteosarcoma | 4.5 (29) |
| Telangiectatic osteosarcoma | 1.7 (11) |
| Osteosarcoma in Paget disease | 4.3 (28) |
| Small-cell osteosarcoma | 1.4 (9) |
| Central osteosarcoma | 0.8 (5) |
| Intraosseous well-differentiated osteosarcoma | 0.3 (2) |
| Periosteal osteosarcoma | 0.2 (1) |
| High-grade surface osteosarcoma | 0.2 (1) |
