osteosarcoma
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients with osteosarcoma assigned to stage IIb according to Enneking's staging system; 2. Cases pathologically confirmed primary oteosarcoma by puncture biopsy; 3. Typical osteosarcoma around the knee joint: osteosarcoma located in the area of distal femur and proximal tibia
Exclusion criteria
Exclusion criteria: 1. patients with inappropriate surgical management; 2. secondary osteosarcoma, low grade parosteal osteosarcoma; 3. surgical staging:patients of stage IA, IB, IIA and III; 4. osteosarcoma located in proximal femur, distal tibia and humerus; 5. no data concerning MRI or CT scan of the lesion before operation; 6. MRI showing vessels around knee joint encased by tumor, tumor embolus seen within vessels and cavity of knee joint involved by tumor; 7. CT scan revealing pulmonary metastasis; 8. inappropriate chemotherapy,insufficient dose intensity,chemotherapy administration less than 3 times; preoperatively and less 6 times postoperatively; 9. patients with limb amputation; 10. patients with severe problems in heart, liver and kidney, women in pregnancy and Lactation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Survival;Relapse rate;Survival without tumo; | — |
Secondary
| Measure | Time frame |
|---|---|
| Functional scores;Quality of life;Tumor relative factor; | — |
Countries
China