BREAST CANCER RES:乳腺癌家族史女孩的青春期发育:LEGACY女孩队列

2017-06-15 MedSci MedSci原创

背景:青春期的里程碑,如乳腺发育和月经的发作,在乳腺癌病因学中起重要作用。目前还不清楚这些里程碑在具有一级或二级乳腺癌家族史(BCFH)的女孩中是否是不同的。 结论:这些结果表明,BCFH可能与早期乳房发育有关,而且导致青春期速度较慢是与体型和种族/种族无关的。

背景:青春期的里程碑,如乳腺发育和月经的发生,在乳腺癌病因学中起重要作用。目前还不清楚这些里程碑在具有一级或二级乳腺癌家族史(BCFH)的女孩中是否是不同的。

方法:在“LEGACY女孩研究”(n = 1040)中,我们检查了是否三位母亲/监护人报告的青春期里程碑(已经达到乳房和阴毛发育的Tanner阶段2或更高(T2 +),并开始月经)因为BCFH而不同。我们还检查了BCFH是否改变了体型与种族/民族和青春期里程碑之间的联系。我们利用母亲/监护人的报告作为青春期里程碑的主要指标,但是对于其中的部分(n = 204)还使用临床Tanner测量进行灵敏度分析。我们分析了整个队列的逻辑回归模型的横断面基线数据,以及基线时年龄5-7岁的女孩次群体(Wi = 258)的Weibull存活模型的纵向数据。

结果:BCFH适度的与乳腺T2 +(优势比(OR)= 1.36,95%置信区间(CI)= 0.88-2.10)相关,但不具统计学意义,而与临床乳腺Tanner分期的女孩(OR = 2.20,95%CI = 0.91-5.32)强烈相关。在对基线时年龄5-7岁的女孩进行纵向分析时,BCFH与早期乳房发育率(风险比(HR)= 1.49,95%CI = 1.0-2.21)相比增加了50%。与基线时不超重的女孩(HR = 2.04,95%CI = 1.29-3.21)的这一关联增加了两倍。BCFH与阴毛发育和月经后状态无关。乳腺发育和月经初潮之间的中位数间隔BCFH +比BCFH-女孩(2.3与1.7年)更长,表明BCFH +女孩的发育速度较慢。青春期里程碑与体型和种族/民族之间的关系在有或没有BCFH的女孩中是相似的。

结论:这些结果表明,BCFH可能与早期乳房发育有关,而且导致青春期速度较慢是与体型和种族/种族无关的。

原文出处:

Mary Beth Terry,Julia A.Knight,Esther M.John,et al.Pubertal development in girls by breast cancer family history: the LEGACY girls cohort.[J].Breast Cancer Research 2017. DOI:10.1186/s13058-017-0849-y

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    2017-06-18 luominglian113

    学习了,谢谢分享

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    2017-06-17 neurowu
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    2017-06-17 zhaojie88
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