Cancer that begins in the bone is called primary bone cancer. Each year, more than 2000 people in the United States learn that they have bone cancer. It is found most often in the arms and legs, but it can occur in any bone in the body. Children and young people are more likely than adults to have bone cancers.Primary bone cancers are called sarcomas. There are several types of sarcoma. Each type begins in a different kind of bone tissue. The most common are osteosarcoma,

Ewing’s sarcoma, and chondrosarcoma.Osteosarcoma is the most common type of bone cancer in young people. It usually occurs between ages 10 and 25. Males are affected more often than females. Osteosarcoma often starts in the ends of bones, where new bone tissue forms as a young person grows. It usually affects the long bones of the arms or legs.

Ewing’s sarcoma usually is found in people between 10 and 25 years old; teenagers are most often affected. This cancer forms in the middle part (shaft) of large bones. It most often affects the hip bones and the long bones in the thigh and upper arm. It also occurs in the ribs.Chondrosarcoma is found mainly in adults. This type of tumor forms in cartilage, the rubbery tissue around joints.

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