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Ewing's tumors with primary lung metastases: survival analysis of 114 (European Intergroup) Cooperative Ewing's Sarcoma Studies patients. 1998

M Paulussen, and S Ahrens, and A W Craft, and J Dunst, and B Fröhlich, and S Jabar, and C Rübe, and W Winkelmann, and S Wissing, and A Zoubek, and H Jürgens
Department of Pediatric Oncology, University of Münster, Germany. eicess@uni-muenster.de

OBJECTIVE To analyze event-free survival (EFS) and prognostic factors in patients who present with Ewing's tumors (ET) of bone and synchronous pulmonary and/or pleural metastases (ppm). METHODS Of 1,270 patients (pts) registered at the continental office of the German/European Intergroup Cooperative Ewing's Sarcoma Studies (CESS81, CESS86, EICESS92), 114 were diagnosed ET with ppm. Patients underwent neoadjuvant therapy and local treatment of the primary tumor. Whole-lung irradiation 15 to 18 Gy was applied to 75 ppm-pts. EFS and 95% confidence intervals (CIs) were estimated according to the Kaplan-Meier method, and prognostic factors were analyzed by log-rank tests and Cox and logistic regression procedures. RESULTS On November 1, 1997, at a median time under study of 5.9 years, the 5-year EFS was 0.36 (95% CI, 0.26 to 0.46) and the 10-year EFS was 0.30 (95% CI, 0.19 to 0.41). Thirty-seven of 59 (63%) first relapses involved lung and/or pleura, and the lungs were the only site of relapse in 26 of 59 (44%) ppm-pts. Risk factors identified in univariate and multivariate tests were poor response of the primary tumor toward chemotherapy, metastatic lesions in both lungs, and treatment without additional lung irradiation. CONCLUSIONS Chemotherapy response of the primary tumor is a prognostic factor in patients with ET with ppm. Strategies of treatment intensification warrant further evaluation.

UI MeSH Term Description Entries
D008175 Lung Neoplasms Tumors or cancer of the LUNG. Cancer of Lung,Lung Cancer,Pulmonary Cancer,Pulmonary Neoplasms,Cancer of the Lung,Neoplasms, Lung,Neoplasms, Pulmonary,Cancer, Lung,Cancer, Pulmonary,Cancers, Lung,Cancers, Pulmonary,Lung Cancers,Lung Neoplasm,Neoplasm, Lung,Neoplasm, Pulmonary,Pulmonary Cancers,Pulmonary Neoplasm
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011379 Prognosis A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations. Prognostic Factor,Prognostic Factors,Factor, Prognostic,Factors, Prognostic,Prognoses
D012044 Regression Analysis Procedures for finding the mathematical function which best describes the relationship between a dependent variable and one or more independent variables. In linear regression (see LINEAR MODELS) the relationship is constrained to be a straight line and LEAST-SQUARES ANALYSIS is used to determine the best fit. In logistic regression (see LOGISTIC MODELS) the dependent variable is qualitative rather than continuously variable and LIKELIHOOD FUNCTIONS are used to find the best relationship. In multiple regression, the dependent variable is considered to depend on more than a single independent variable. Regression Diagnostics,Statistical Regression,Analysis, Regression,Analyses, Regression,Diagnostics, Regression,Regression Analyses,Regression, Statistical,Regressions, Statistical,Statistical Regressions
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D003131 Combined Modality Therapy The treatment of a disease or condition by several different means simultaneously or sequentially. Chemoimmunotherapy, RADIOIMMUNOTHERAPY, chemoradiotherapy, cryochemotherapy, and SALVAGE THERAPY are seen most frequently, but their combinations with each other and surgery are also used. Multimodal Treatment,Therapy, Combined Modality,Combined Modality Therapies,Modality Therapies, Combined,Modality Therapy, Combined,Multimodal Treatments,Therapies, Combined Modality,Treatment, Multimodal,Treatments, Multimodal
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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