目的探讨影像诊断淋巴结包膜外侵犯(radiologic extranodal extension,rENE)与前列腺癌(prostate cancer,PCa)Gleason评分、国际泌尿病理协会(International Society of Urological Pathology,ISUP)分级分组的相关性。材料与方法本研究...目的探讨影像诊断淋巴结包膜外侵犯(radiologic extranodal extension,rENE)与前列腺癌(prostate cancer,PCa)Gleason评分、国际泌尿病理协会(International Society of Urological Pathology,ISUP)分级分组的相关性。材料与方法本研究为单中心研究,回顾性分析了空军军医大学西京医院2017年1月至2021年6月收治的90例N1期PCa患者病例,根据有无rENE表现分为rENE+与rENE−两组,其中rENE+组67例,rENE−组23例。采用Wilcoxon检验分析组间差异,计算两组间ISUP分级分组的相对风险(relative risk,RR)值,采用Spearman相关系数分析rENE与Gleason评分和ISUP分级分组的相关性。结果两组间Gleason评分和ISUP分级分组差异有统计学意义(P<0.01)。rENE+组患者ISUP 5的风险是rENE−组的2.6倍(RR=2.6,95%CI:1.477~3.676),rENE组患者ISUP≤3的可能是rENE+组的17.4倍(RR=17.4,95%CI:4.2~72.3)。Gleason评分、ISUP分级分组与rENE影像表现呈正相关,相关系数分别为0.547(95%CI:0.363~0.688)、0.570(95%CI:0.367~0.716)。结论rENE与PCa患者Gleason评分、ISUP分级分组正相关,相较于rENE−患者,rENE+患者的原发灶恶性程度更高。rENE有望用于无创评估前列腺癌的恶性程度。展开更多
Ecopath model is an important evaluation model in the field of ecological research.At present,Ecopath model is mainly applied in the structure of food web,material circulation and energy flow,environmental capacity an...Ecopath model is an important evaluation model in the field of ecological research.At present,Ecopath model is mainly applied in the structure of food web,material circulation and energy flow,environmental capacity and so on.The Ecopath models in ocean,lake and reservoir ecosystems were reviewed,including the ecological nutrient conversion efficiency(EE),ecosystem characteristic index(CI),Niche Overlap and energy flow characteristics of trophic level.The practical significance of Ecopath model in marine ecosystem evaluation and application is expounded by comparing and analyzing the literature data,which provides the technical support for the scientific management of inland ecosystem in the future.展开更多
文摘目的探讨影像诊断淋巴结包膜外侵犯(radiologic extranodal extension,rENE)与前列腺癌(prostate cancer,PCa)Gleason评分、国际泌尿病理协会(International Society of Urological Pathology,ISUP)分级分组的相关性。材料与方法本研究为单中心研究,回顾性分析了空军军医大学西京医院2017年1月至2021年6月收治的90例N1期PCa患者病例,根据有无rENE表现分为rENE+与rENE−两组,其中rENE+组67例,rENE−组23例。采用Wilcoxon检验分析组间差异,计算两组间ISUP分级分组的相对风险(relative risk,RR)值,采用Spearman相关系数分析rENE与Gleason评分和ISUP分级分组的相关性。结果两组间Gleason评分和ISUP分级分组差异有统计学意义(P<0.01)。rENE+组患者ISUP 5的风险是rENE−组的2.6倍(RR=2.6,95%CI:1.477~3.676),rENE组患者ISUP≤3的可能是rENE+组的17.4倍(RR=17.4,95%CI:4.2~72.3)。Gleason评分、ISUP分级分组与rENE影像表现呈正相关,相关系数分别为0.547(95%CI:0.363~0.688)、0.570(95%CI:0.367~0.716)。结论rENE与PCa患者Gleason评分、ISUP分级分组正相关,相较于rENE−患者,rENE+患者的原发灶恶性程度更高。rENE有望用于无创评估前列腺癌的恶性程度。
基金supported by the National large-scale freshwater fish industry technology system(CARS-45)Tianjin Freshwater Aquaculture Industry Technology System Innovation Team+2 种基金Tianjin Science and Technology Program(16zzync00100)Tianjin Science and Technology Program(18ZXZYNC00150)the Opening Foundation of Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria(2019-04).
文摘Ecopath model is an important evaluation model in the field of ecological research.At present,Ecopath model is mainly applied in the structure of food web,material circulation and energy flow,environmental capacity and so on.The Ecopath models in ocean,lake and reservoir ecosystems were reviewed,including the ecological nutrient conversion efficiency(EE),ecosystem characteristic index(CI),Niche Overlap and energy flow characteristics of trophic level.The practical significance of Ecopath model in marine ecosystem evaluation and application is expounded by comparing and analyzing the literature data,which provides the technical support for the scientific management of inland ecosystem in the future.