2013 , Vol. 07 >Issue 02: 97 - 101
DOI: https://doi.org/10.3877/cma. j. issn.1674-0807.2013.02.005
乳腺导管原位癌与浸润性导管癌激素受体及HER-2 表达的比较
Copy editor: 罗承丽
收稿日期: 2012-09-26
网络出版日期: 2024-12-07
版权
Comparison of the hormone receptors and HER-2 expressions between breast ductal carcinoma in situ and infiltrating ductal carcinoma
Received date: 2012-09-26
Online published: 2024-12-07
Copyright
目的
研究乳腺导管原位癌(DCIS)与浸润性导管癌(IDC)患者的激素受体和HER-2 表达及分子分型的差异。
方法
收集2006 年3 月至2012 年9 月本院治疗的52 例DCIS 和224 例IDC 患者的手术标本,应用免疫组化方法检测其ER、PR、HER-2 的表达,并用χ2 检验综合分析其分子分型构成等特点。
结果
IDC 组ER 阳性表达率明显高于DCIS 组[67.86%(152/224)比48.08%(25/52),χ2 =7.18,P=0.01],IDC 组HER-2 阳性表达率明显低于DCIS 组[54.02%(121/224)比73.08%(38/52),χ2=6.28,P=0.01],而两组的PR 表达差异无统计学意义(χ2=1.39,P=0.24)。 DCIS 组以HER-2 阳性型为主要亚型,占44.23%(23/52),而IDC 组以luminal A 型为主要亚型,占43.75%(98/224),两组患者的分子分型构成比差异有统计学意义(χ2=13.11,P=0.00)。
结论
检测乳腺导管原位癌和浸润性导管癌患者的ER、HER-2 表达及其分子分型,可指导临床诊疗及制定个体化综合治疗方案。
关键词: 乳腺肿瘤; 激素受体; 人表皮生长因子受体2; 分子分型
钱秀珍 , 钱永坤 . 乳腺导管原位癌与浸润性导管癌激素受体及HER-2 表达的比较[J]. 中华乳腺病杂志(电子版), 2013 , 07(02) : 97 -101 . DOI: 10.3877/cma. j. issn.1674-0807.2013.02.005
Objective
To study the differences of the hormone receptors and HER-2 expression and molecular typing between breast ductal carcinoma in situ (DCIS) and infiltrating ductal carcinoma (IDC)patients.
Methods
The specimens were collected from 52 cases of DCIS and 224 cases of IDC from March 2006 to September 2012. ER, PR and HER-2 were detected by immunohistochemical method, and Chi-square test was used to analyze the molecular typing of the two groups.
Results
ER positive expression rate in the IDC group (67.86%,152/224) was higher than that in the DCIS group (48.08%, 25/52)(χ2=7.18, P=0.01), while the HER-2 positive expression rate in the IDC group (54.02%,121/224) was lower than that in the DCIS group (73.08%,38/52)(χ2=6.28,P=0.01). PR expression showed no significant difference (χ2=1.39,P=0.24). The dominant molecular type was HER-2 positive in the DCIS group (44.23%, 23/52),luminal A in the IDC group (43.75%,98/224), which showed significant difference between the two groups(χ2=13.11,P=0.00).
Conclusion
The detection of ER, HER-2 expression and molecular typing in DCIS and IDC patients can provide important references to clinical diagnosis and individualized treatment.
Key words: breast neoplasms; hormone receptors; HER-2; molecular typing
表1 DCIS 与IDC 两组中ER、PR 和HER-2 表达比较[例(%)] |
组别 | ER阳性 | PR阳性 | HER-2阳性 |
---|---|---|---|
DCIS组(n=52) | 25(48.08) | 19(36.54) | 38(73.08) |
IDC组(n=224) | 152(67.86) | 102(45.54) | 121(54.02) |
χ 2值 | 7.18 | 1.39 | 6.28 |
P值 | 0.01 | 0.24 | 0.01 |
表2 DCIS 与IDC 两组的分子分型构成比较[例(%)] |
组别 | luminalA型 | luminalB型 | HER-2阳性型 | 三阴性乳腺癌 |
---|---|---|---|---|
DCIS组(n=52) | 14(26.92) | 11(21.16) | 23(44.23) | 4(7.69) |
IDC组(n=224) | 98(43.75) | 55(24.56) | 46(20.54) | 25(11.16) |
χ 2值 | 13.11 | |||
P值 | 0.00 |
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