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Understanding more about what your bones do might help you understand what bone cancer is.
Bones are like human scaffolding - they help keep us upright.
Diagram of the skeleton
View a large version of the diagram of the skeleton|
The structure of a bone
View a large version of the diagram of the structure of a bone|
These are the main types of connective tissue that help bones move:
There are different types of bone cancer. The two most common kinds to affect teenagers are osteosarcoma and Ewing sarcoma.
Osteosarcomas (sometimes called osteogenic sarcomas) are most likely to affect bones in the leg, especially around the knee joint, but they can affect any bone.
The word sarcoma is name for a cancer that starts in connective tissue, such as bone, muscle, fat or cartilage.
We don’t know what causes bone cancer. But because it’s more common in young people, doctors think that it might have something to do with the changes that happen when the bones are growing.
People often think a knock or injury might have caused bone cancer, but there’s no evidence for this.
Remember that nothing you’ve done has caused the cancer.
We also have more info about:
If you're looking for information about bone cancer in people of all ages, please see our general bone cancer| section.
Content last reviewed: 1 June 2012
Next planned review: 2014
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© Macmillan Cancer Support 2013
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