JAMA:对于Lynch综合征,女性荷尔蒙因素和子宫内膜癌的风险的联系

2015-07-16 崔倩 译 MedSci原创

除了子宫切除术,用于减少错配修复基因突变(Lynch综合征)女性子宫内膜癌的风险的建议不一致。为了探讨Lynch综合征内分泌因素和子宫内膜癌的风险之间的关联,研究人员进行了这项研究。该回顾性队列研究包括1128名来自结肠癌家庭登记认定的错配修复基因突变的女性。数据采用加权方法队列分析。参加者来自美国、澳大利亚、加拿大和新西兰的全国各地的中心,在1997年的和2012年之间进行招募。分析的数据包括初

除了子宫切除术,用于减少错配修复基因突变(Lynch综合征)女性子宫内膜癌的风险的建议不一致。为了探讨Lynch综合征内分泌因素和子宫内膜癌的风险之间的关联,研究人员进行了这项研究。

该回顾性队列研究包括1128名来自结肠癌家庭登记认定的错配修复基因突变的女性。数据采用加权方法队列分析。参加者来自美国、澳大利亚、加拿大和新西兰的全国各地的中心,在1997年的和2012年之间进行招募。分析的数据包括初潮年龄、第一次和最后一次生产、绝经期、活产数、使用激素避孕药,和绝经后激素的使用。主要结果是子宫内膜癌的自我报告诊断。

共有133名女性被诊断出子宫内膜癌(每100人年的发病率,0.29;95%Cl,0.24〜0.34)。女性初潮年龄大于或等于13岁子宫内膜癌诊断率为11%(n=70),月经初潮年龄小于13岁的女性诊断率为12.6%(n=57),(每100人年发病率,0.27 vs 0.31;概率差异为-0.04[95%Cl,-0.15〜0.05];每年的风险比为0.85[95%Cl,0.73〜0.99];P=0.04)。经产女性的子宫内膜癌诊断率为10.8%(n=88),而未经产女性概率为14.4%(n=40),(发病率为每100人年,0.25 vs 0.43;概率差异,-0.18[95%Cl,-0.32〜0.04];风险比,0.21[95%Cl,0.10〜0.42];P<0.001)。使用激素避孕药大于或等于1年的女性子宫内膜癌的诊断率为8.7%(n=70),使用避孕药1年以内的女性诊断率为19.2%(n=57)(发病率为每100人年,0.22 vs 0.45;概率差异,-0.23[95%Cl,-0.36〜-0.11];风险比,0.39[95%Cl,0.23〜0.64];P<0.001)。在第一和最后一个活产、绝经年龄、绝经后激素使用年龄之间的子宫内膜癌无统计学显著关联。
    
对于错配修复基因突变的女性,一些内源性和外源性荷尔蒙因素都与子宫内膜癌的低风险相关。这些联系的方向和优势在普通人群是相似的。如果这些结果是一样的,那么这些研究结果表明,对于错配修复基因突变的女性,在激素对子宫内膜癌风险的影响方面可以像一般女性人群那样被建议。

原始出处:

Seyedeh Ghazaleh Dashti,Rowena Chau,Driss Ait Ouakrim,Daniel D. Buchanan,et al.Female Hormonal Factors and the Risk of Endometrial Cancer in Lynch Syndrome,JAMA,2015.7.7

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