Effect of Age and Biological Subtype on the Risk and Timing of Brain Metastasis in Breast Cancer Patients

被引：53

作者：

Hung, Man-Hsin ^{[1
,4
,6
]}

Liu, Chun-Yu ^{[1
,4
,5
]}

Shiau, Cheng-Ying ^{[3
,4
]}

Hsu, Chin-Yi ^{[4
,7
]}

Tsai, Yi-Fang ^{[2
,4
]}

Wang, Yu-Ling ^{[2
]}

Tai, Ling-Chen ^{[2
]}

King, Kuang-Liang ^{[2
,4
]}

Chao, Ta-Chung ^{[1
,4
]}

Chiu, Jen-Hwey ^{[8
]}

Su, Cheng-Hsi ^{[4
,9
]}

Lo, Su-Shun ^{[4
,10
]}

Tzeng, Cheng-Hwai ^{[1
,4
]}

Shyr, Yi-Ming ^{[2
,4
]}

Tseng, Ling-Ming ^{[2
,4
]}

机构：

[1] Taipei Vet Gen Hosp, Dept Med, Div Hematol & Oncol, Taipei, Taiwan

[2] Taipei Vet Gen Hosp, Dept Surg, Div Gen Surg, Taipei, Taiwan

[3] Taipei Vet Gen Hosp, Ctr Canc, Taipei, Taiwan

[4] Natl Yang Ming Univ, Sch Med, Taipei 112, Taiwan

[5] Natl Yang Ming Univ, Inst Biopharmaceut Sci, Taipei 112, Taiwan

[6] Natl Yang Ming Univ, Sch Life Sci, Program Mol Med, Taipei 112, Taiwan

[7] Taipei Vet Gen Hosp, Dept Pathol & Lab Med, Taipei, Taiwan

[8] Natl Yang Ming Univ, Sch Med, Inst Tradit Med, Taipei 112, Taiwan

[9] Cheng Hsin Gen Hosp, Dept Surg, Div Gen Surg, Taipei, Taiwan

[10] Natl Yang Ming Univ Hosp, Ilan, Taiwan

来源：

PLOS ONE | 2014年 / 9卷 / 02期

关键词：

ESTROGEN-RECEPTOR; YOUNG AGE; SURVIVAL; IDENTIFICATION; RECURRENCE; CARCINOMA; IMPACT; WOMEN;

D O I：

10.1371/journal.pone.0089389

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Background: Brain metastasis is a major complication of breast cancer. This study aimed to analyze the effect of age and biological subtype on the risk and timing of brain metastasis in breast cancer patients. Patients and Methods: We identified subtypes of invasive ductal carcinoma of the breast by determining estrogen receptor, progesterone receptor and HER2 status. Time to brain metastasis according to age and cancer subtype was analyzed by Cox proportional hazard analysis. Results: Of the 2248 eligible patients, 164 (7.3%) developed brain metastasis over a median follow-up of 54.2 months. Age 35 or younger, HER2-enriched subtype, and triple-negative breast cancer were significant risk factors of brain metastasis. Among patients aged 35 or younger, the risk of brain metastasis was independent of biological subtype (P = 0.507). Among patients aged 36-59 or >60 years, those with triple-negative or HER2-enriched subtypes had consistently increased risk of brain metastasis, as compared with those with luminal A tumors. Patients with luminal B tumors had higher risk of brain metastasis than luminal A only in patients >60 years. Conclusions: Breast cancer subtypes are associated with differing risks of brain metastasis among different age groups. Patients age 35 or younger are particularly at risk of brain metastasis independent of biological subtype.

引用

页数：8

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