Ewing Sarcoma   

Ewing sarcoma is a primary bone cancer, which means that it is only a cancer that originates in the bone cells. This cancer will mainly effect children and teenagers. This cancer is the second most common bone cancer, but at the same time relatively uncommon. Ewing Sarcoma is either classified as localized or metastasized tumors. A localized tumors is if there is no distant spread to other organs and a metastasized tumor means that it has spread to other organs.

Symptoms

If you do have Ewing Sarcoma you might have some symptoms such as pain or swelling, mostly in the arm, leg, chest, back, or pelvis. The swelling may not feel warm, you might a fever for no apparent reason, and same for a bone. Your bone could break while you are walking and it might break for no apparent cause.

Possible Cause

The exact cause of Ewing Sarcoma are still unknown. The development of Ewing’s sarcoma may be related in some way, which may explain why more cases are seen in teenagers. Like other cancers, it’s not infectious and cannot be passed on to other people.

Growth

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Ewing Sarcoma Stages

Stage IA:  The tumor is 8 cm across or less and is low grade. The cancer has not spread to nearby lymph nodes or other parts of the body.

Stage IB: The tumor is either larger than 8 cm across, it is in more than one place in the same bone. It is low grade. he cancer has not spread to nearby lymph nodes or to distant parts of the body.

Stage IIA and Stage IIB: The tumor is 8 cm across or less and is high grade. The cancer has not spread to nearby lymph nodes or to distant parts of the body.

Stage III: The tumor is in more than one place in the same bone. It is high grade. The cancer has not spread to nearby lymph nodes or to distant parts of the body.

Stage IVA: The tumor has spread only to the lungs. It has not spread to the lymph nodes or to other distant sites.

Treatments

Ewing Sarcoma is usually treated with and chemotherapy.

Chemotherapy uses an anticancer drug that enters the body's bloodstream, and then reach all parts of the body. Between 8 to 12 weeks after chemo starts, imaging tests are used to see if the tumor can or can not be removed by surgery. Then if the tumor can not be removed by surgery then radiation is used to kill the cells. This course of treatment is usually followed by several more months of chemotherapy to kill any remaining cells.

Survival Rates  

For the localized tumor there is a five year survival rate is close to 70%.  For the metastasized tumor survival rate is closer to 20%  to 30%. If the cancer has spread only to the lungs, the rate is slightly better. But the survival rate is only a statistic. It does not say what will happen for any certain person.  If you are diagnosed with Ewing Sarcoma, there are other things to worry about that can effect prognosis, which is the likely course of the disease. Like the size of the tumor, where the tumor is located, hoe the tumor will respond to any kind of therapy, and your age.

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