Bone cancer is divided into primary and secondary bone cancer. When it forms first in the cells of the bone it is called primary bone cancer and when it starts in another part of the body, spreading to the bones it is called secondary bone cancer.
The types of bone cancer are chondrosarcoma, malignant fibrous histiocytoma, giant cell tuma, osteosarcoma, fibrosarcoma, and chordoma and Ewing sarcoma.
Causes of bone cancer
The most common types, osteosarcoma and Ewing's sarcoma, mainly occur in young people. The cause of these may have something to do with changes in the bone as it is growing. The risk of developing a primary bone tumour can be increased if there is a high dose of radiotherapy used to treat other problems, Paget’s disease of bone, Certain rare inherited disorders including: Li-Fraumeni syndrome, hereditary multiple exostoses and hereditary retinoblastoma, An osteochondroma. This is a non-cancerous bone tumour which occasionally turns into a chondrosarcoma.
Symptoms of bone cancer
There can be pain that might be vague at first but tends to become severe over the affected part of the bone, difficulty in moving a joint, pressure symptoms, fatigue, unexplained weight loss and swelling over the affected part of the bone.
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