Table 1.
Characteristic | Patients (%) |
---|---|
Median age (years) |
40 years (range: 22–63 ) |
Gender |
|
Male |
9 (64%) |
Female |
5 (36%) |
Histology |
|
Osteoblastic osteosarcoma |
1 (7%) |
Chondroblastic osteosarcoma |
10 (71%) |
Fibroblastic |
2 (15%) |
Others |
1 (7%) |
Radiation induced sarcoma |
2 (14%) |
Median time to previous radiotherapy (years) |
9 years (range: 6–12) |
Primary site |
|
Mandible |
9 (64%) |
Maxilla |
5 (36%) |
Preoperative chemotherapy regimen |
|
MAP |
9 (64%) |
AP | 5 (36%) |
MAP = methotrexate 12 g/m2, doxorubicin 75 mg/ m2, cisplatin 120 mg/m2.
AP = doxorubicin 75 mg/ m2, cisplatin 100 mg/m2.