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- W2897984879 abstract "Positron emission tomography-computed tomography (PET / CT) is currently recommended to rule out metastatic disease in non-small cell lung cancer (NSCLC), even in early stage patients. In this study, our aim is to evaluate the effect of maximum value of standardized uptake values (SUVmax) of primary tumor in PET/CT before surgery on relapse in operable NSCLC. Data from 191 operable stage I-III NSCLC patients who had preoperative PET/CT was retrospectively analyzed between 2006-2018. Demografic and clinicopathologic findings were analyzed.Patients were staged according to TNM 8th edition. ROC curve analysis was performed to determine the ideal cut-off value of preoperative SUV max to predict relapse. The findings were analyzed using SPSS. At the time of diagnosis, median age was 62 years (39-82) and 84% of patients were male. Eighty-nine percent of our patients were smokers and smoking rate in males was 98%. Most common pathologic subtype was adenocarcinoma (Table 1). Mean follow-up duration was 35 months (1-128 months). Fourty-seven percent recurred and median progression free survival time (PFS) was 45 months (29-60 months). Median overall survival (OS) was 80 months.The ideal cut-off value of preoperative SUVmax that predicted relapse was 10.75 in the ROC analysis [AUC: 0,58 (0,50-0,66) p<0,05 with a sensitivity of 65%, and specificity of 57%]. Median PFS was 89 months in patients with preoperative SUVmax ≤ 10.75, and 34 months in patients with SUVmax > 10.75 (HR= 1.69; 95% CI 1.09-2.61; P =0.01). Approximately 30% of NSCLC patients are diagnosed at early stage. Although surgery is curative treatment in early stage, recurrences are common. Preoperative SUV(max) of primary tumor in PET/CT might be a predictor of postoperative relapse for operated NSCLC." @default.
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- W2897984879 date "2018-10-01" @default.
- W2897984879 modified "2023-10-16" @default.
- W2897984879 title "P3.16-48 Is Preoperative SUV(Max) of Primary Tumor a Predictor of Relapse for Operable Non-Small Cell Lung Cancer?" @default.
- W2897984879 doi "https://doi.org/10.1016/j.jtho.2018.08.1955" @default.
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