Indeterminate Pulmonary Nodules At Diagnosis In Rhabdomyosarcoma: Are They Clinically Significant? A Report From The European Paediatric Soft Tissue Sarcoma Study Group
JOURNAL OF CLINICAL ONCOLOGY(2019)
摘要
PurposeTo evaluate the clinical significance of indeterminate pulmonary nodules at diagnosis (defined as 4 pulmonary nodules < 5 mm or 1 nodule measuring 5 and < 10 mm) in patients with pediatric rhabdomyosarcoma (RMS).Patients and MethodsWe selected patients with supposed nonmetastatic RMS treated in large pediatric oncology centers in the United Kingdom, France, Italy, and the Netherlands, who were enrolled in the European Soft Tissue Sarcoma Study Group (EpSSG) RMS 2005 study. Patients included in the current study received a diagnosis between September 2005 and December 2013, and had chest computed tomography scans available for review that were done at time of diagnosis. Local radiologists were asked to review the chest computed tomography scans for the presence of pulmonary nodules and to record their findings on a standardized case report form. In the EpSSG RMS 2005 Study, patients with indeterminate pulmonary nodules were treated identically to patients without pulmonary nodules, enabling us to compare event-free survival and overall survival between groups by log-rank test.ResultsIn total, 316 patients were included; 67 patients (21.2%) had indeterminate pulmonary nodules on imaging and 249 patients (78.8%) had no pulmonary nodules evident at diagnosis. Median follow-up for survivors (n = 258) was 75.1 months; respective 5-year event-free survival and overall survival rates (95% CI) were 77.0% (64.8% to 85.5%) and 82.0% (69.7% to 89.6%) for patients with indeterminate nodules and 73.2% (67.1% to 78.3%) and 80.8% (75.1% to 85.3%) for patients without nodules at diagnosis (P = .68 and .76, respectively).ConclusionOur study demonstrated that indeterminate pulmonary nodules at diagnosis do not affect outcome in patients with otherwise localized RMS. There is no need to biopsy or upstage patients with RMS who have indeterminate pulmonary nodules at diagnosis.
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关键词
Rhabdomyosarcoma,Soft Tissue Sarcoma
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