Parameter | Number of patients | Parameter | Number of patients |
---|---|---|---|
Age at diagnosis (years) | Â | Huvos grade | Â |
0–10 | 6 | I-II | 27 |
11–20 | 33 | III-IV | 7 |
≥ 21 | 4 | Not informative | 9 |
Gender | Â | Metastasis at diagnosis | Â |
Male | 25 | Yes | 17 |
Female | 18 | No | 26 |
Histological subtype | Â | Site of primary disease | Â |
Osteoblastic | 23 | Femur | 20 |
Chondroblastic | 7 | Tibia | 15 |
Telangiectatic | 4 | Fibula | 2 |
Giant cells | 1 | Humerus | 4 |
Other | 6 | Iliac bone | 1 |
Not informative | 2 | Other | 1 |