Treatment and outcome of patients with thoracic tumors of the Ewing sarcoma family: A report from the Cooperative Weichteilsarkom Studiengruppe CWS-81, -86, -91, -96, and -2002P trials

Pediatric Blood & Cancer
Guido SeitzEwa Koscielniak

Abstract

Ewing tumors are the most frequent malignant tumors of the chest wall in children and young adults. Surgical management of these tumors can be challenging. Optimal local control remains controversial. The aim of this study was to analyze treatment, outcome, and surgical procedures in patients with thoracic tumors of the Ewing sarcoma family (TES) treated within four Cooperative Soft-Tissue Sarcoma (CWS) trials and one registry. Sixty-two patients from 0 to 21 years treated between 1981 and 2014 were selected for this analysis. A retrospective chart analysis was carried out. Institutional review board approval was obtained for all trials. The median age of the patients was 7 years. The 5-year overall (OS) and event-free survival (EFS) rates were 58.7% (52.7-64.7) and 52.8% (46.8-58.8). Patients with intrathoracic tumor localization (n = 24) had a worse outcome (EFS: 37.5%; 27.5-37.5) compared with those with chest wall tumors (n = 38; EFS: 62.3%; 54.3-70.3, P = 0.008). Patients ≤10 years (n = 38) had a better survival compared with those > 10 years (EFS: 65.7%; 57.7-73.7 vs 31.3%; 21.3-41.3, P = 0.01). Tumor size ≤5 cm (n = 15) was associated with significantly better survival compared with a size > 5 cm (n = 47, EFS: 93.3%; 87....Continue Reading

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Citations

Jan 26, 2021·The Journal of Pediatrics·Maria Rosario Pérez-Torres LobatoJose Ignacio Gutiérrez Carrasco

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