期刊
JOURNAL OF CLINICAL ONCOLOGY
卷 31, 期 9, 页码 1196-1201出版社
AMER SOC CLINICAL ONCOLOGY
DOI: 10.1200/JCO.2011.41.1165
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资金
- National Institutes of Health [CA42326, CA98543]
Purpose Stage III designation in NWTS-5 (National Wilms Tumor Study-5) was determined by four pathologic criteria: positive lymph nodes (LNs), peritoneal implants, residual disease, and tumor rupture. The objective of this study was to determine the prognostic significance of each of the stage III criteria. Patients and Methods Children with stage III Wilms tumor (WT) treated in NWTS-5 were assessed for event-free (EFS) and overall survival (OS). Sites of relapse and molecular status of tumors are reported. EFS and OS are reported 8 years after diagnosis. Results There were 569 patients with local stage III favorable-histology (FH) WT in this analysis, of whom 109 had overall stage IV disease. LN involvement alone was the most frequent criterion for stage III designation (38%), followed by microscopic residual disease alone (20%), microscopic residual disease and LN involvement (14%), and spill or soilage alone (9%). The 8-year EFS and OS estimates for all patients with local stage III FHWT were 82% and 91%, respectively. Multivariate analysis demonstrated that both LN involvement (relative risk, 1.89; P = .005) and microscopic residual disease (relative risk, 1.87; P = .007) were predictive of EFS, and OS results were similar. There was no apparent difference in pattern of relapse according to stage III subtype. The rate of loss of heterozygosity was higher (6%) for those with positive LNs than for those without (2%; P = .05). Conclusion LN involvement and microscopic residual are the stage III criteria highly predictive of EFS and OS for patients with stage III FHWT. It is possible that in future studies, patients with different stage III criteria may receive different therapies. J Clin Oncol 31:1196-1201. (C) 2013 by American Society of Clinical Oncology
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