1. By: Nagelle LeBoyd

2. Cancer Cancer is caused when the control of cells is lost, and they grow and divide out of control The cells no longer die, and start to form tumors

3. Types of Bone Cells There are three types of bone cells Osteoclasts, Osteoblasts, and Osteocytes - Osteoclasts : carries nutrients to the bone - Osteoblasts : make new bone - Osteocytes : removes old bones Cancer can form from any of these types of cells

4. Cancer Cells

5. Tumors There are two types of tumors Bengin and Malignant –Bengin: Are not cancer and can usually be removed –Malignant: Is cancer, if it gets into your blood stream it can spread to other parts of your body

6. Tumors cont. The two most common types of bone cancer are Osteosarcoma and Ewing’s sarcoma 2,000 people are diagnosed with a bone tumor each year

7. Symptoms Unusual bleeding Unaccountable weight loss White patches on tongue and inside of the mouth

8. Types of Malignant Tumors Osteosarcoma –Most commonly affects males 10 to 25 years olds –Five year survival rate is 65%s –Most often found in the arms and legs

9. Types of Malignant Tumors Ewing's sarcoma: –most aggressive bone tumor – mostly affects people ages 4-15 –Commonly attacks the arms and legs –3 year survival rate is 65%

10. Treatments and Cures Surgery: The part of the bone where the tumor has grown is removed and replaced with a bone graft, If the tumor has spread to the tissue then the whole limb may have to be removed Chemotherapy: Can be used to shrink the tumor before surgery or kill off cancer cells that may have escaped before the surgery

11. Treatments and Cures cont. Radiotherapy: Can shrink the tumor before surgery or kills off any cells left behind after the surgery

12. Reasources  http://www.medicinenet.com/bone_cancer/ page2.html  http://www.nlm.nih.gov/medlineplus/bonec ancer.html http://www.atsdr.cdc.gov/COM/cancer- fs.html Google images