Journal of Cytology
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Year : 2018  |  Volume : 35  |  Issue : 4  |  Page : 223-228

Evaluation of estrogen and progesterone receptors and Her-2 expression with grading in the fine-needle aspirates of patients with breast carcinoma

Department of Pathology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India

Correspondence Address:
Dr. Pampa Ch Toi
Deparment of Pathology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry - 605 006
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JOC.JOC_127_17

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Background: There has been a limited literature with regards to comparison between the pre-operative hormonal/Her-2 neu assessment by immunostaining on fine-needle aspiration (FNA) versus core needle biopsies (CNBs) and their correlation with grading of breast carcinoma. Materials and Methods: Two hundred fifty FNAs and 201 CNBs from 252 patients with breast carcinoma were subjected immunocytochemical/histochemical (ICC/IHC) staining along with the grading by the Robinson cytologic and modified Scarff-Bloom-Richardson scoring systems, respectively. Depending on the material adequacy, IHC was also performed on cell blocks. Sensitivity, specificity, and predictive values of ICC were calculated. The kappa statistics was performed to see the power of the study. Cytologic versus histologic gradings were compared and analysed by percentage analysis. Results: Sensitivity of ICC on FNAs for ER, PR, and Her-2neu was 49%, 28.8%, and 46%, respectively, while specificity was 84.5%, 90.6%, and 86.6%, respectively, with a fair agreement on kappa statistics. Her-2neu positivity on CNB versus FNA had a moderate agreement. Her-2neu staining of 3+ was seen in most of the Grade-2 tumours on FNA. Conclusions: Fairly reliable results on grading and hormonal/Her-2neu status are possible when ICC is performed on qualitatively superior FNA material. This is particularly useful in the management of patients in certain settings like inoperable cases.

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