Grade 1 | Low-grade central osteosarcoma |
---|---|
Parosteal osteosarcoma | |
Low-grade chondrosarcoma | |
Clear cell chondrosarcoma | |
Osteofibrous dysplasia-like adamantinoma | |
Grade 2 | Periosteal osteosarcoma |
Intermediate - grade chondrosarcoma | |
Classic adamantinoma | |
Chordoma | |
Grade 3 | Osteosarcoma (conventional, telangieclatic, small cell, secondary, |
high-grade surface) | |
Ewing's sarcoma | |
High-grade chondrosarcoma | |
Dedifferentiated chondrosarcoma | |
Mesenchymal chondrosarcoma | |
Dedifferentiated chordoma | |
Malignant giant cell tumour |