A mass of unusual cells growing in a bone. Most bone tumours aren't cancerous.

Causes of bone tumours include abnormal healing of an injury, inherited conditions and radiation therapy. They can also be caused by bone cancer or another cancer that has spread to the bone from other parts of the body.

A bone tumour may cause a painless mass. Some people have dull, aching pain. In some cases, minor injury causes a fracture near the tumour.

Treatments include surgery and radiation. Some non-cancerous tumours go away without treatment.

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Requires a medical diagnosis

A bone tumour may cause a painless mass. Some people have dull, aching pain. In some cases, minor injury causes a fracture near the tumour.

People may experience:

Pain areas: in the bones or joints

Also common: bone fracture, feeling tired, limping, swelling, or weight loss