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 consecut...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.展开更多
目的:前列腺癌的发病率逐年上升,精准诊疗可以帮助灰区前列腺癌患者减少不必要的前列腺穿刺。本研究旨在探讨18F-前列腺特异性膜抗原(prostate specific membrane antigen,PSMA)显像联合前列腺特异性抗原(prostate specific antigen,PSA...目的:前列腺癌的发病率逐年上升,精准诊疗可以帮助灰区前列腺癌患者减少不必要的前列腺穿刺。本研究旨在探讨18F-前列腺特异性膜抗原(prostate specific membrane antigen,PSMA)显像联合前列腺特异性抗原(prostate specific antigen,PSA)衍生指标对灰区前列腺癌的诊断价值。方法:回顾性纳入甘肃省人民医院107例因总前列腺特异性抗原(total prostate specific antigen,tPSA)为4~10μg/L(PSA灰区)的可疑性前列腺癌行18F-PSMA PET/CT显像的患者,根据病理学检查结果分为前列腺癌组和非前列腺癌组。患者均接受PSA检测、18F-PSMA及腹部超声检查,比较2组年龄、tPSA、游离PSA(free PSA,fPSA)、f/tPSA、前列腺体积、PSA密度(PSA density,PSAD)、最大标准化摄取值(maximum standardized uptake value,SUVmax)、分子成像前列腺特异性膜抗原(molecular imaging prostate specific membrane antigen,miPSMA)评分。采用多因素logistic回归分析诊断灰区前列腺癌的影响因素。构建受试者操作特征(receiver operating characteristic,ROC)曲线,评估PSAD、SUVmax单独及联合诊断灰区前列腺癌的效能。结果:前列腺癌组体积[42.00(34.00,58.00)cm3 vs 49.00(41.27,60.41)cm3]小于非前列腺癌组(Z=-2.376,P=0.017),PSAD[(0.18±0.06)μg/(L·cm3)vs(0.15±0.05)μg/(L·cm3)]和SUVmax[18.63(8.03,28.57)vs 9.33(5.90,13.52)]均高于非前列腺癌组(均P<0.05)。前列腺癌组miPSMA评分≥2的比例高于非前列腺癌组(χ^(2)=40.987,P<0.001)。PSAD(OR=22.154,95%CI 1.430~873.751,P=0.042)和SUVmax(OR=1.301,95%CI 1.034~1.678,P=0.009)是诊断灰区前列腺癌的独立影响因素。PSAD和SUVmax的最佳截断值分别为0.22μg/(L·cm3)和8.02,单独PSAD、SUVmax及PSAD和SUVmax联合诊断灰区前列腺癌的AUC分别为0.628(95%CI 0.530~0.720)、0.806(95%CI 0.718~0.876)、0.847(95%CI 0.765~0.910)(均P<0.05),灵敏度分别为41.03%、76.92%、74.36%,特异度分别为79.41%、89.71%、92.65%。结论:灰区前列腺癌患者PSAD、SUVmax增高,PSAD和SUVmax联合诊断灰区前列腺癌的价值较高。展开更多
基金Supported by Fundamental Research Funds for the Central Universities of China,No.2012N01
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.
