Comparison of Clinical Features and Outcomes in Patients with Extraskeletal Versus Skeletal Localized Ewing Sarcoma: A Report from the Children’s Oncology Group

摘要

BACKGROUNDThe prognostic significance of having extraskeletal vs. skeletal Ewing sarcoma in the setting of modern chemotherapy protocols is unknown. The purpose of this study was to compare the clinical characteristics, biologic features, and outcomes for patients with extraskeletal and skeletal Ewing sarcoma.