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Ewing's Sarcoma Definition & Overview


Ewing's sarcoma is a cancerous bone tumor that may occur in any bone in the body and also in soft tissue (the latter of which is termed an extraosseous sarcoma). The most commonly affected areas include the pelvis, thigh, lower leg, upper arm, and chest wall.

The cancer most often strikes children and young adults, with puberty being the most common age of onset. During adolescence, Ewing's sarcoma is found equally in boys and girls. In post-adolescent onset, the cancer is more common in males.

Ewing's sarcoma occurs in approximately one in every 50,000 teenagers, accounting for around 30% of all bone cancers that occur in children. Prognosis is dependent upon the location of the tumor and whether the tumor has spread to other areas of the body.

Leg and Pelvic Bones—Common Sarcoma Sites

Leg bones
© 2009 Nucleus Medical Media, Inc.

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Ewing's Sarcoma Guide


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