Geburtshilfe Frauenheilkd:导管原位癌的预后评价

2014-12-25 MedSci MedSci原创

  Geburtshilfe Frauenheilkd:导管原位癌的预后评价 研究背景:由于乳腺癌筛查手段的进步,更多的导管原位癌(DCIS)被早期发现,并非所有的DCIS未经治疗都会进展为浸润性乳腺癌(IBC),但是一旦发现DCIS大部分多会治疗,但是目前缺少DCIS的危险分层,以便个性化治疗,减少不必要的治疗。 研究目的:对DCIS进行危险分层,以便指导其治疗及提供预

 

研究背景:

由于乳腺癌筛查手段的进步,更多的导管原位癌(DCIS)被早期发现,并非所有的DCIS未经治疗都会进展为浸润性乳腺癌(IBC),但是一旦发现DCIS大部分多会治疗,但是目前缺少DCIS的危险分层,以便个性化治疗,减少不必要的治疗。

研究目的:

DCIS进行危险分层,以便指导其治疗及提供预后信息。

研究方法:

纳入20041-201111月德国法兰克福市歌德医院乳腺科145IBCDCIS患者(53DCIS92IBC),随后又增加了24DCIS31T1aIBC患者;另外纳入60名(61IBC29DCIS)患者检查其弥散肿瘤细胞(DTC)。回顾其病理检查及免疫组化检查结果,并将所有患者分为4种亚型TNBCHER2(ER-/HER2+)luminal(ER+/HER2-)luminalHER2(ER+/HER2+),运用SPSS进行统计学分析。

研究结果:

145名患者的临床特征:约1/3DCIS,中位年龄57岁,大部分患者为ER+,小部分有转移。通过对比DCISIBC的各临床病理特征后,并没有发现两组患者在年龄、激素受体、HER2状态、辅助治疗(放疗、内分泌治疗)上的差异。通过分子亚型的比较发现T1aIBC肿瘤比DCIS及其他IBC有更多的的HER2亚型,相比之下luminalHER2型肿瘤比例较少,而在比较骨髓中的DTC后发现DCISIBCDTC并没有统计学差异,在对各临床指标分层后发现PR-DTC显著相关(Table3)。为评价两组患者的预后有关因素,对43DCIS40T1aIBC患者随访,随访终点为复发。结果发现:中位随访时间DCIS47个月,T1aIBC40个月,对各临床因素分层后发现两组无复发生存时间无统计学差异。经过生存分析后发现ER+PR+患者在两组都在无复发生存上获益(Figa-f)

研究结论:

导管原位癌和浸润性癌的临床特征并无差异,luminal亚型在DCISIBC组都表现出有较好的预后。

原文出处:

Sanger, N., et al., Molecular Markers as Prognostic Factors in DCIS and Small Invasive Breast Cancers. Geburtshilfe Frauenheilkd, 2014. 74(11): p. 1016-1022.

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    2014-12-27 xinxin088
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    2014-12-27 huagfeg