Prognostic factors and clinical outcome of patients with Ewing's sarcoma family of tumors in adults: multicentric study of the Anatolian Society of Medical Oncology

Arpaci, Erkan; Yetisyigit, Tarkan; Seker, Metin; Uncu, Dogan; Uyeturk, Ummugul; Oksuzoglu, Berna; Demirci, Umut; Coskun, Ugur; Kucukoner, Mehmet; Isıkdogan, Abdurrahman; Inanc, Mevlude; Alkis, Necati; Ozkan, Metin
March 2013
Medical Oncology;Mar2013, Vol. 30 Issue 1, p1
Academic Journal
The aim of this study was to evaluate prognostic factors, survival rate and the efficacy of the treatment modalities used in patients with Ewing sarcoma family of tumors (ESFT). Data of patients with ESFTs followed up at different cancer centers in Turkey between 2001 and 2010 were retrospectively analyzed. The median age of 114 patients was 26 years (range 14-66). The median follow-up was 20 months (range 1-118 months). Tumor size was between 1.5 and 14 cm (median 8 cm). Eighty-six percent of patients had localized disease at presentation, and 14 % had metastatic disease. Local therapy was surgery alone in 31 % of patients, surgery combined with radiotherapy in 41 % and radiotherapy alone in 18 %. Approximately 70 % of patients were treated with vincristine, doxorubicin, cyclophosphamide and actinomycin-D, alternating with ifosfamide and etoposide every 3 weeks. In patients with localized disease at presentation, the 5-year disease-free survival and overall survival were 60 and 65 %, respectively. At univariate analysis, patients with tumor size ≥8 cm, high serum lactate dehydrogenase, metastasis at presentation, poor histological response to chemotherapy and positive surgical margin had significantly worse event-free survival. The significant predictors of worse overall survival at univariate analysis were tumor size ≤8 cm, high lactate dehydrogenase, metastasis at presentation, poor histological response to chemotherapy, radiotherapy only as local treatment and positive surgical margin. ESFTs are aggressive tumors with a high incidence of local recurrence and distant metastasis. Multimodality treatment consisting of adequate surgical resection, aggressive chemotherapy (VAC alternating with IE) and radiotherapy is recommended for patients with ESFTs.


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