Saturday, October 15, 2011

What is Osteosarcoma

 
What is Osteosarcoma


-What Is Bone Cancer?
- Know the Symptoms or Signs of bone cancer? 
- Handling and treatment of bone cancerPrevention of Bone 
- CancerTypes of bone cancer.

What Is Osteosarcoma

Osteosarcoma (Sarcoma Osteogenik) is a primary malignant bone tumor, where it produces malignant tumors of bone and the cells derived from primitive mesenchymal cells. Osteosarcoma is a malignant tumor most often found in young anak.Rata average disease is diagnosed at the age of 15 years. The incidence in boys and girls are the same, but at the end of adolescence, the disease is more prevalent in boys. The exact cause is not diketahui.Karena cause is unknown, it is difficult to prevent. To note, the bone cancer has nothing to do with food. Some people suspect due to radioactivity contained in the environmental community.


Osteosarcoma tends to grow in the femur (lower end), the upper arm bone (top) and the tibia (upper end). The end of the bones is an area where there is a change and the largest growth rate. Even so,

osteosarcoma can also grow in other bones.

Osteosarcoma is divided into two types:

1. Central type of tumor that grows in the bones.

2. Peripheral type of tumor that grows on the surface of the bone.


''Signs and Symptoms of Osteosarcoma''

As for symptoms or signs caused the most common symptoms of osteosarcoma are pain and swelling in the legs or arms. This most often occurs in the longer bones of the body - as above or below the knee or in the upper arm near the shoulder. Pain may be worse during the move or at night, and a lump or swelling may develop in the region until several weeks after onset of illness. Excessive pain can wake up at night or pain at rest is of particular concern
 
In some cases, the first sign of illness, which was damaged arm or leg, because the cancer has weakened the bone to make it prone to break. In this case, the risk of osteosarcoma most often seen in teenage boys, and evidence suggests that teenagers are higher than average have an additional risk for developing disease. Children who have inherited one of the rare cancer syndromes also are at high risk for osteosarcoma. These syndromes include retinoblastoma (a malignant tumor that develops in the retina, usually in children aged under 2 years) and Li-Fraumeni Syndrome (type of inherited genetic mutations). Because others are connected to the radiation, can trigger DNA mutations, children who had received radiation treatment for cancer prior episodes also increased in the risk for osteosarcoma. 

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