Ewing's sarcoma

Ewingrsquo; s sarcoma, also known as undifferentiated reticuloma, is a primitive cell in the bone marrow that is a common malignant tumor of bone. Department of Ewing (1921) first reported that at that time it was named ldquo; bone diffuse hemangioendothelioma rdquo ;. Oberling (1928) later believed that it originated from bone marrow reticulocytes and called it ldquo; reticulosarcoma rdquo ;. However, for a long time, people have different opinions about their organization, and their names have been used in the literature. At present, Ewing's sarcoma has been recognized as an independent bone tumor, but there are still different opinions on its source and nature, such as mesenchymal cells and osteoblasts, which account for 10% to 14.2% of malignant bone tumors. The disease is rare. The age of onset is more common in adolescents, and it is more common in males. Pulmonary metastases can occur early and the prognosis is poor, but radiation therapy is sensitive.

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