TABLE I.
Histologic Subtype of Osteosarcoma and Metastatic Disease at Presentation, 2000 to 2008
| Subtype | No. | Metastatic Disease at Presentation (no. [%]) |
| Total | 2101 | 468 (22.3) |
| Osteosarcoma, not otherwise specified | 1401 | 350 (25.0) |
| Chondroblastic osteosarcoma | 312 | 59 (18.9) |
| Fibroblastic osteosarcoma | 120 | 18 (15.0) |
| Telangiectatic osteosarcoma | 73 | 16 (21.9) |
| Osteosarcoma in Paget disease | 25 | 9 (36.0) |
| Small-cell osteosarcoma | 19 | 3 (15.8) |
| Central osteosarcoma | 35 | 4 (11.4) |
| Intraosseous well-differentiated osteosarcoma | 5 | 0 (0) |
| Parosteal osteosarcoma | 79 | 4 (5.1) |
| Periosteal osteosarcoma | 21 | 3 (14.3) |
| High grade surface osteosarcoma | 11 | 2 (18.2) |