Objective: Our main goal was to assess the outcome of patients with Ewing sarcoma (EWS) and identify prognostic factors.
Methods: A retrospective review of 65 patients diagnosed with EWS at our institution between 1991 and 2013.
Results: Patients had a median age of 19 years (0.3-76), and 63.1% were males. Median tumor size was 10 cm (2-30). Primary sites included the limbs (42.2%), pelvis (23.4%), and chest wall (9.4%). 22 patients (34.4%) had metastatic disease. Treatment: Surgical resection in 45 patients (76.3%) and external beam radiotherapy in 48 patients (75%). Chemotherapy regimens: VAIA/EVAIA in 15 patients (33%), VAC/IE in 15 patients (33%), and VIAE in 10 patients (22%). After a mean follow-up of 40.7 months (p25-75; 13.3- 86.16), 5-year actuarial overall survival (OS) and progression-free survival (PFS) were 67.34% and 49.2%, respectively. As determined by univariate analysis, OS was influenced by stage (p=0.0141) and chemotherapy (p= 0.036). Neither sex, age, LDH levels, primary tumor location, nor size, surgery, or radiation therapy were correlated to outcome. In the multivariate model, only stage remained significant (p
Ewing sarcoma family of tumors, sarcoma surgery, chemotherapy, Ewing diagnosis
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