ewing bone sarcoma

All information given here is of general nature only, a tumor therapy always belongs in the hands of an experienced oncologist. Synonyms Bone sarcoma, PNET (primitive neuroectodermal tumor), Askin’s tumor, Ewing’s bone sarcoma Definition Ewing sarcoma is a bone tumor originating from the bone marrow, which can occur between the ages of 10 and 30 … Ewing sarcoma

Localization The most frequent localizations of Ewing’s sarcoma are in the long tubular bones, here mainly in the tibia and fibula, or in flat bones. Nevertheless, as a malignant bone cancer, Ewing’s sarcoma can affect all bones. The larger bones are most frequently affected, the smaller ones rather rarely. If the long tubular bones are … Localization | Ewing sarcoma

Therapy Therapeutic approaches are usually applied on several levels.On the one hand, the so-called therapy plan preoperatively usually provides for chemotherapeutic treatment (= neoadjuvant chemotherapy). Even after the surgical removal of the Ewing sarcoma, the patient is treated therapeutically with radiation therapy and, if necessary, renewed chemotherapy. This is where a difference to osteosarcoma becomes … Therapy | Ewing sarcoma

Prognosis Whether or not recurrences occur is strongly dependent on the extent of metastasis formation, the response to preoperative chemotherapy and the “radicality” of tumor removal. It is currently assumed that the five-year survival probability is about 50%. In particular, surgical improvements over the last 25 years have made it possible to improve the probability … Prognosis | Ewing sarcoma

How high is the risk of relapse? The 5-year survival rate is 50% on average. Here one can assume that it is an aggressive and malignant cancer. The 5-year survival rate indicates that on average half of all diagnosed Ewing sarcomas lead to death. If, however, after 5 years of successful treatment of Ewing sarcoma, … How high is the risk of relapse? | Ewing sarcoma