Table 1 Clinical Features
From: The expression and significance of IDH1 and p53 in osteosarcoma
Features | Total(N) | Percentage |
|---|---|---|
Age(year) | Â | Â |
   <12 | 3 | 6.8% |
   13--20 | 14 | 31.8% |
   21--30 | 8 | 18.2% |
   31--40 | 14 | 31.8% |
   41- | 5 | 11.4% |
Sex | Â | Â |
   Male | 32 | 72.7% |
   Female | 12 | 27.3% |
Localization of primary tumor | Â | Â |
   Distal femur | 13 | 29.5% |
   Proximal tibia | 11 | 25.0% |
   Humerus | 3 | 6.8% |
   Tibia diaphysis | 5 | 11.4% |
   Femur diaphysis | 7 | 15.9% |
   Other | 5 | 11.4% |
Histological type | Â | Â |
   Osteoblastic | 29 | 65.9% |
   Small cell | 1 | 2.3% |
   Chondroblastic | 6 | 13.6% |
   Teleangetatic | 1 | 2.3% |
   Round cell | 2 | 4.5% |
   Fibroblastic | 4 | 9.1% |
   Mixed | 1 | 2.3% |
Histological Rosen grade* | Â | Â |
   1 | 5 | 11.3% |
   2 | 16 | 36.4% |
   3 | 16 | 36.4% |
   4 | 7 | 15.9% |
   1+2 | 21 | 47.7% |
   3+4 | 23 | 52.3% |
Metastasis | Â | Â |
   no | 23 | 53.3% |
   lung | 17 | 38.6% |
   other | 4 | 9.1% |