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1Re-evaluation of classical prognostic factors in resectable ductal adenocarcinoma of the pancreas显示文摘Pancreatic ductal adenocarcinoma carries a poor prognosis with annual deaths almost matching the reported incidence rates. Surgical resection offers the only potential cure. Yet, even among patients that undergo tumor resection, recurrence rates are high and long-term survival is scarce. Various tumorrelated factors have been identified as predictors of survival after potentially curative resection. These factors include tumor size, lymph node disease, tumor grade, vascular invasion, perineural invasion and surgical resection margin. This article will re-evaluate the importance of these factors based on recent publications on the topic, with potential implications for treatment and outcome in patients with pancreatic cancer.Daniel Akerberg Daniel Ansari Roland Andersson 2016World Journal of Gastroenterology2016,22,28:7
2Prognostic significance of SUVmax and serum carbohydrate antigen 19-9 in pancreatic cancer显示文摘AIM:To investigate the prognostic significance of pretreatment standardized maximum uptake value(SUVmax)and serum carbohydrate antigen(CA)19-9 in pancreatic cancer.METHODS:From January 2007 to October 2011,80 consecutive patients with pancreatic cancer who received positron emission/computed tomography before any treatment were enrolled in this study.The pretreatment SUVmax and CA19-9 level of the primary pancreatic tumor were obtained and compared with clinicopathological and prognostic factors.Student’s t test for unpaired data was used to analyze the differences between two groups.Univariate analysis and Cox proportional hazards regression were used to examine the independent effects of each significant variable.Survival was analyzed by the Kaplan-Meier method.RESULTS:There was a significant correlation between both the SUVmax and serum CA19-9 of pancreatic cancer and R0 surgical resection(P=0.043 and P=0.007).Lymph node metastasis was associated with SUVmax(P=0.017),but not serum CA19-9(P=0.172).On the contrary,the tumor stage was significantly related to serum CA19-9(P=0.035),but not SUVmax(P=0.110).The univariate analysis showed that survival time was significantly related to tumor stage(P<0.001),lymph node metastasis(P=0.043),R0 surgical resection(P<0.001),serum CA19-9(P=0.001),SUVmax(P<0.001)and SUVmax plus CA19-9(P=0.002).Multivariate analysis clearly showed that only tumor stage(hazard ratio=0.452;P=0.020)was an independent prognostic factor for overall survival in pancreatic cancer.Higher SUVmax or CA19-9showed worse prognosis.We found that high serum CA19-9 plus SUVmax was the most significant variable.CONCLUSION:Higher pretreatment SUVmax and serum CA19-9 indicates poor prognosis.SUVmax plus serum CA19-9 is the most significant variable in predicting survival.Jian-Guo Zhao Ya Hu Quan Liao Zhe-Yu Niu Yu-Pei Zhao 2014World Journal of Gastroenterology2014,20,19:2
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