Ewing's sarcoma is a cancerous (malignant) tumor. It usually begins growing initially in a bone. Occasionally, it also begins in the soft tissues (extraosseous Ewing's sarcoma). Unlike most cancers that are known to arise from a certain kind of tissue or organ. For example, osteosarcoma arises from bone cells and breast carcinoma arises from breast cells. Doctors don't know the exact cell of origin for Ewing's sarcoma.
There have been developments in several areas to improve the outcomes with limb preservation. Adjuvant or "assisted" chemotherapy is now used for most bone sarcomas. Chemotherapy causes tumor necrosis, which allows for safer removal. In addition, chemotherapy causes the tumor to develop a rind or margin and in some cases shrink, helping the surgeon to completely resect the tumor and minimize the removal of normal tissue.
Metastatic Bone Disease
Cancer that arises in an organ, such as the lungs, breast, prostate, kidneys, thyroid, and others, and subsequently spreads to bone is termed metastatic bone disease (MBD). More than 1.2 million new cancer cases are diagnosed each year, and approximately 50 percent of these tumors can spread or metastasize to the skeleton.
With improved medical treatment of many cancers, especially breast, lung, and prostate, patients are living longer. However, more of these patients develop bone metastases.
Wrist Ganglion Cyst
A wrist ganglion cyst is a swelling that usually occurs over the back of the hand or wrist. These are benign, fluid-filled capsules. Ganglion cysts are not cancerous, will not spread, and while they may grow in size, they will not spread to other parts of your body.
What is a "Baker's Cyst?"
A Baker's Cyst, also called a 'popliteal cyst,' is a collection of fluid in the back of the knee. Calling this problem a cyst is misleading for patients as a Baker's Cyst is not a growth. A Baker's Cyst is the name given to a collection of fluid in the back of the knee. The fluid within a Baker's Cyst is normal joint fluid that has been over-produced, usually because of inflammation from within the knee. A Baker's Cyst is not a tumor or cancer, and cannot spread to other parts of the body.
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