Background: The risk factors for esophageal squamous cell carcinoma (ESCC) in the high-incidence areas of China remain unclear.Methods: A total of 300 patients with ESCC and 900 controls matched for age and sex were enrolled in Anyang (China), a high-risk area for ESCC in China. In tumor tissue of the cases and in esophageal biopsies of controls, the presence of human papillomavirus (HPV) DNA was assessed by an SPF1/GP6 þ -mediated PCR
Interim F-FDG PET/CT is an effective predictor in patients with DLBCL, but the standard evaluating criteria were controversial. In this study, investigators tried to investigate whether the liver SUV (SUV)-based interpretation could improve the accuracy of predicting the outcomes, comparing with the Deauville five-point scale (5-PS) and the reduction rate of the maximum standardized uptake value (ΔSUV) criteria. In 119 patients, PET/CT after two chemotherapy cycles (PET2) were evaluated with the SUV-based interpretation, 5-PS, and ΔSUV criteria. Uni- and multivariate analyses were performed. The optimal threshold for the SUV-based interpretation was 1.6 fold of SUV. Using the SUV-based interpretation, the 3-year PFS and OS were 19.9% and 33.0% for patients with a positive residue while 78.2% and 86.4% for patients with negative results (p < .001). SUV-based interpretation demonstrated slightly superior accuracy, and was independent predictor for PFS and OS (p ≤ .001). Thus, early interim F-FDG PET/CT effectively predicts the outcome in patients with DLBCL using SUV-based interpretation.
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