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JCO:同为乳腺癌患者,男女各有不同

2018-04-01 佚名 SIBCS

男性乳腺癌约占所有乳腺癌新病例的1%,其分子生物学特征、治疗与结局的数据非常有限,人们对其了解主要来自乳腺癌女性的数据推断。

编者按:男性乳腺癌约占所有乳腺癌新病例的1%,其分子生物学特征、治疗与结局的数据非常有限,人们对其了解主要来自乳腺癌女性的数据推断。美国旧金山基因组健康公司研发的乳腺癌21基因表达检测,可以根据21个乳腺癌相关基因(5个增殖相关基因、2个浸润相关基因、2个HER2相关基因、4个雌激素受体相关基因、3个独立基因、5个参考基因)表达情况,对雌激素受体阳性早期乳腺癌治疗后的复发风险进行评分,但是该复发评分结果对于男性乳腺癌的临床意义尚不明确。

2018年3月27日,美国临床肿瘤学会《临床肿瘤学杂志》在线发表美国国家癌症研究所、斯坦福大学医学院、斯坦福癌症研究所、旧金山基因组健康公司的研究报告,分析了男性乳腺癌的分子生物学特征和死亡率。

该研究于2004年6月~2017年1月通过乳腺癌21基因表达检测,对北美地区激素受体阳性且HER2阴性且淋巴结0~3期乳腺浸润癌男性(3806例)与女性(57万1115例)患者的21基因乳腺癌复发评分结果及其分布、临床特征、5年乳腺癌相关生存和总生存进行了比较分析。

结果发现,男性与女性患者相比:

平均年龄:64.2比59.1岁(P<0.001)

复发评分≥31:12.4%比7.4%(P<0.001)

复发评分<18都占多数

复发评分<11:33.8%比22.1%(P<0.001)

雌激素受体、增殖、浸润相关基因表达率较高

年龄<50岁与≥50岁女性相比,雌激素受体表达率较低、孕激素受体表达率较高,随着年龄增长,雌激素受体表达率逐渐增加、孕激素受体表达率逐渐减少。年龄<50岁与≥50岁男性相比,雌激素受体和孕激素受体表达率略低。

根据美国国家癌症研究所的监测、流行病学与最终结果(SEER)数据库,获得其中322例男性和5万5842例女性的生存数据。男性与女性相比,5年乳腺癌相关生存率和总生存率较低。5年乳腺癌相关生存率:

复发评分<18的男性:99.0%(95%置信区间:99.3%~99.9%)

复发评分<18的女性:99.5%(95%置信区间:99.4%~99.6%)

复发评分18~30的男性:95.9%(95%置信区间:87.6%~98.7%)

复发评分18~30的女性:98.6%(95%置信区间:98.4%~98.8%)

复发评分≥31的男性:81.0%(95%置信区间:53.3%~93.2%)

复发评分≥31的女性:94.9%(95%置信区间:93.9%~95.7%)

因此,该研究揭示了男性乳腺癌的某些独特生物学特征,以及乳腺癌21基因检测复发评分对于男性和女性的重要预后作用。

原始出处:
Suleiman Alfred Massarweh, et al. Molecular Characterization and Mortality From Breast Cancer in Men. Journal of Clinical Oncology. Published online before print March 27, 2018.

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    2018-04-22 lidong40
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    2018-04-01 131****1460

    学习了受益匪浅

    0

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    2018-04-01 183****7028

    学习

    0

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    2018-04-01 1e17414fm02(暂无匿称)

    学习

    0

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Ann Oncol:人工智能和乳腺癌的治疗推荐竟与专家高度一致

2018年2月发表在《Ann Oncol》上的一项研究,对人工智能(AI)临床决策支持系统(CDSSs)沃森肿瘤(WFO)与多学科肿瘤专家组在乳腺癌患者治疗推荐上的一致性进行了考察。

密歇根州立大学:一种靶向药物,可预防乳腺癌和肺癌

密歇根州立大学的Liby博士和Jamie Bernard博士基于发表在《癌症预防研究》杂志上的两项研究测试了一种药物,可以预防与肥胖相关的基因引发的乳腺癌和肺癌,并阻止这些癌症的生长。

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