Feb 3rd, 2012
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Definition and Types of Bone SarcomaA sarcoma is a type of cancerous tumor that initiates from transformed cells of non-epithelial origin in tissues such as cancellous bone, cartilage, fat, muscle, vascular, or hematopoietic tissues. Malignant tumor that initiates from cells of epithelial origin is known as carcinoma, and mostly common in organs such as breast, colon, and lung (Herzog, Cynthia E., 2005).There arethree main types of bone sarcoma known:1. Osteosarcoma2. Ewing's sarcoma 3. Chondrosarcoma Osteosarcoma is the most common type of primary bone cancer since it occurs in growing bones. Therefore, it is most often found in children and adolescence. Chondrosarcoma is another common type of primary bone cancer, and more often takes place in soft tissues of adults. Ewing's sarcoma can occur as either a bone sarcoma or a soft tissue sarcoma (Herzog, Cynthia E., 2005).Cancer that originally develops in the bone itself is known as primary bone cancer, while secondary bone cancer is taking place due to cancer cells that spread to the bone from another part of the body where cancer originally is developed from. Primary bone cancer is rare, and only 2,500 new cases diagnosed each year in the United States. Overall, bone sarcomas are rare, and only 2,890 new cases diagnosed each year in the United States that lead to 1,410 subsequent deaths (Angela B. Mariotto et al, 2009). Potential Causes of Bone CancerUnfortunately, medical doctors a

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