Lifetime risks of specific breast cancer subtypes among women in four racial/ethnic groups.

Lifetime risks of specific breast cancer subtypes among women in four racial/ethnic groups.
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四个种族/族裔女性中特定乳腺癌亚型的终生风险。

DOI:
10.1186/bcr2780
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发表时间:
2010
期刊:
Breast cancer research : BCR
影响因子:
--
通讯作者:
Clarke CA
Clarke CA
中科院分区:
其他
文献类型:
--
作者:
Kurian AW;Fish K;Shema SJ;Clarke CA

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乳腺癌由临床上不同的亚型组成,但大多数风险统计仅将乳腺癌视为单一实体。为了估计亚型特异性终生乳腺癌风险,我们利用了基于人群的数据,其中新近提供了有关雌激素受体 (ER)、孕激素受体 (PR) 和 HER2/neu (HER2) 肿瘤表达的信息。我们纳入了 2006 年至 2007 年在加利福尼亚州诊断出乳腺癌并向国家癌症研究所的监测、流行病学和最终结果计划报告的女性(N = 40,936)。我们分别针对白人、黑人、西班牙裔和亚洲女性计算了由 ER、PR 和 HER2 状态(管腔(ER 和/或 PR 阳性、HER2 阴性)、HER2 阳性(ER 和 PR 阳性或阴性、HER2 阳性)和三阴性(ER 阴性、PR 阴性和 HER2 阴性)定义)发展为乳腺癌亚型的绝对寿命和年龄特异性概率(百分比,95% 置信区间)。腔内乳腺癌亚型在各个种族/族裔群体中占主导地位,西班牙裔女性的终生风险最低(4.60%、4.41-4.80%),白人女性最高(8.10%、7.94-8.20%)。 HER2 阳性乳腺癌因种族差异较小 (1.56-1.91%)。黑人女性患三阴性乳腺癌的终生风险最高(1.98%、1.80-2.17%),而亚洲人为 0.77%(0.67-0.88%),西班牙裔为 1.04%(0.96-1.13%),白人为 1.25%(1.20-1.30%)。在不同种族/族裔群体中,近一半的管腔乳腺癌发生在 70 岁之后。这些绝对风险估计可以为不同人群的卫生政策和资源规划提供信息,并可以帮助患者和医生权衡发展特定乳腺癌亚型的可能性与竞争的健康风险。
Breast cancer comprises clinically distinct subtypes, but most risk statistics consider breast cancer only as a single entity. To estimate subtype-specific lifetime breast cancer risks, we took advantage of population-based data for which information regarding tumor expression of estrogen receptor (ER), progesterone receptor (PR) and HER2/neu (HER2) was newly available. We included women whose breast cancer was diagnosed in the state of California from 2006 to 2007 and was reported to the National Cancer Institute's Surveillance, Epidemiology and End Results Program (N = 40,936). We calculated absolute lifetime and age-specific probabilities (percent, 95% confidence interval) of developing breast cancer subtypes defined by ER, PR, and HER2 status - luminal (ER and/or PR-positive, HER2-negative), HER2-positive (ER and PR-positive or negative, HER2-positive), and triple-negative (ER-negative, PR-negative, and HER2-negative) - separately for white, black, Hispanic, and Asian women. The luminal breast cancer subtype predominates across racial/ethnic groups, with lifetime risk lowest in Hispanic women (4.60%, 4.41-4.80%) and highest in white women (8.10%, 7.94-8.20%). HER2-positive breast cancer varies less by race (1.56-1.91%). Lifetime risk of triple-negative breast cancer is highest in black women (1.98%, 1.80-2.17%), compared to 0.77% (0.67-0.88%) for Asians, 1.04% (0.96-1.13%) for Hispanics and 1.25% (1.20-1.30%) for whites. Across racial/ethnic groups, nearly half of all luminal breast cancers occur after age 70. These absolute risk estimates may inform health policy and resource planning across diverse populations, and can help patients and physicians weigh the probabilities of developing specific breast cancer subtypes against competing health risks.
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