TABLE 1.
Clinicopathological characteristics of the studied patients.
| Histology subtype | Patients (N = 28) |
|---|---|
| Osteoblastic | 22 |
| Other | 6 |
| Chondroblastic: 3 | |
| Fibroblastic: 2 | |
| MFH-like: 1 | |
| Gender | No. |
| Male | 18 |
| Female | 10 |
| Age at diagnosis | Years |
| Median (range) | 12.9 (2.8–17.9) |
| Metastasis at the time of diagnosis | No. |
| No metastasis | 14 |
| Pulmonary metastasis | 14 |
| Chemotherapeutic response | No. |
| Good | 22 |
| Poor | 5 |
| Overall survival at 5 years | 64.20% |
We have no information of one patient’s chemotherapy response as no postoperative sample was available.