Malignant Bone Tumours

1. Osteosarcoma

 

Second / Third decade, M>F

- calcaneal

- diagnosis often delayed

- treat with radical resection

 

2. Chondrosarcoma

 

Middle age or older

- slow growing

- malignant change of osteochondroma / enchondroma

- treat with wide / radical resection

 

3. Ewing's

 

Lytic expansile mass in a MT

- can be anywhere

- Treat with wide resection / chemo / DXRT

 

4. Metastatic Tumours

 

Infrequent

- <1% all bony metastases

- often lung

- often below the diaphragm (i.e. ovarian)