نتایج جستجو برای: ewing sarcoma
تعداد نتایج: 75023 فیلتر نتایج به سال:
STUDY DESIGN Case report. OBJECTIVE We present a case of isolated primary epidural lumbar Ewing sarcoma and review the current literature on the standard management. We also propose laminoplasty as safe procedure in this patient population that can provide good stabilization in young people. SUMMARY OF BACKGROUND DATA Primary epidural Ewing's sarcoma is a very rare entity. The best generall...
Background. Comorbidity is an important prognostic factor for survival in different cancers; however, neither the prevalence nor the impact of comorbidity has been investigated in bone sarcoma. Methods. All adult bone sarcoma patients from western Denmark treated at the Aarhus Sarcoma Centre in the period from 1979 to 2008 were identified through a validated population-based database. Charlson ...
Most Ewing family tumors are identified by the characteristic translocation t(11;22)(q24;q12), resulting in a fusion protein EWS/FLI1 that acts as an aberrant transcription factor. In a minority of cases, the EWS gene is fused to another member of the ETS gene (ERG, ETV1, E1AF, and FEV). Though the oncogenic transforming capability of the EWS/FLI1 protein is highly suggestive, the exact pathway...
Osteosarcoma is the most frequent malignant bone neoplasm, followed by chondrosarcoma and Ewing sarcoma. The diagnosis of bone neoplasms is generally made through histological evaluation of a biopsy. Clinical and radiological features are also important in aiding diagnosis and to complete the staging of bone cancer. In addition to these, there are several non-specific serological or specific mo...
The management of Ewing sarcoma has evolved over the last few decades with successive improvement in survival rates. Multidisciplinary management is the key to successful outcomes. Dose intensity of chemotherapy is of vital importance. Local control can be effectively achieved with surgery, radiation therapy or a combination of the two. The choice of appropriate local therapy should be individu...
introduction : methotrexate (mtx) is an anti folate drug that used in malignant and non malignant patients. the usage of high dose methotrexate was limited to patients with: osteogenic sarcoma, ewing sarcoma and lymphoma. the aim this study was to determine the toxicity or side effects of very high dose methotrexate (8-10 gr/m 2 /cycle). this study is the first study in iranian patients and one...
BACKGROUND Ewing sarcomas are highly aggressive malignant tumours occurring predominantly in the long bones of the extremities in children and young adults. About 20 % of patients will present with metastases at diagnosis with the commonest sites being the lungs, bone and bone marrow. Cases of primary small bowel Ewing sarcomas have been described but are nonetheless exceedingly rare, even more...
Ewing sarcoma and primitive peripheral neuroectodermal tumor (PNET) are high-grade malignant tumors typically found in children and adolescents. These tumors belong to the family of small round cell tumors and are of neuroectodermal origin. Primary Ewing sarcoma of the kidney is rare and because of that is an infrequent differential diagnosis in urologic malignancies. Renal PNET mostly presents...
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