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Chinese Journal of Breast Disease(Electronic Edition) ›› 2019, Vol. 13 ›› Issue (02): 93-97. doi: 10.3877/cma.j.issn.1674-0807.2019.02.006

Special Issue:

• Original Article • Previous Articles     Next Articles

Immunohistochemical concordance of core-needle biopsy specimens and surgically removed specimens in breast cancer

Wenjing Jian1, Xianming Wang2,(), Shufen Song2, Haiyan Sheng2, Xia Liu3, Meiquan Xu3, Chuting Hu2, Yunlong Liu2   

  1. 1. Department of Thyroid and Breast Surgery, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China; Department of Thyroid and Breast Surgery, Shenzhen Second People’s Hospital, Shenzhen 518035, China
    2. Department of Thyroid and Breast Surgery, Shenzhen Second People’s Hospital, Shenzhen 518035, China
    3. Department of Pathology, Shenzhen Second People’s Hospital, Shenzhen 518035, China
  • Received:2018-01-05 Online:2019-04-01 Published:2019-04-01
  • Contact: Xianming Wang
  • About author:
    Corresponding author: Wang Xianming, Email:

Abstract:

Objective

To analyze the concordance of ER, PR, HER-2, Ki67 results in immunohistochemical detection of specimens from core-needle biopsy (CNB) and open surgery in breast cancer patients.

Methods

The clinical data of 305 breast cancer patients who received no neoadjuvant therapy before surgery in the Department of Thyroid and Breast Surgery, Shenzhen Second People’s Hospital from January 2014 to October 2017 were retrospectively analyzed. The Kappa test of paired count data was used to compare the concordance of immunohistochemistry results (ER, PR, HER-2 and Ki67) between preoperative CNB specimens and surgically removed specimens of breast cancer patients.

Results

The concordant rate of ER and PR expression was 93.1% (284/305) and 93.1% (284/305) between CNB specimens and surgically removed specimens (Kappa=0.837, 0.858, both P<0.001). The concordant rate of ER positive staining intensity was 50.0% (101/202) between CNB specimens and surgically removed specimens (Kappa=0.244, P<0.001). The concordant rate of PR positive staining intensity was 68.8% (117/170) between CNB specimens and surgically removed specimens (Kappa=0.433, P<0.001). The HER-2 expression and Ki67 index showed a moderate consistency between CNB specimens and surgically removed specimens (Kappa=0.543, 0.535, both P<0.001). The concordant rate of the percentage of ER/PR/Ki67 positive cells was 60.7% (185/305), 53.1% (162/305) and 36.1% (110/305), respectively.

Conclusions

In the immunohistochemical detection, ER and PR expression shows high concordant rates between CNB specimens and surgically removed specimens, while the positive staining intensity of ER and PR, HER-2 expression and Ki67 index shows a moderate concordance. The percentage of ER/PR/Ki67 positive cells presents a moderate concordance between two kinds of specimens.

Key words: Breast neoplasms, Immunohistochemistry, Biopsy, Receptors, estrogen, Receptors, progestins, Genes, erbB-2, Ki-67 antigen

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