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The Korean Journal of Cytopathology 1994;5(1): 10-14.
Estrogen Receptor Analysis in Fine Needle Aspirates and Frozen Sections from Human Breast Carcinomas.
Gyung Yub Gong, Se Hyun Ahn, Kun Choon Park, Ghee Young Choe, Eun Sil Yu, In Chul Lee
1Departments of Pathology, Asan Medical Center College of Medicine, University of Ulsan, Korea.
2Departments of General Surgery, Asan Medical Center College of Medicine, University of Ulsan, Korea.
ABSTRACT
The expression of sex steroid hormone receptors by neoplastic cells is an important predictor of response to hormone therapy. Thus, the selection of treatment modality is often based on the identification of receptors in tumor tissue. Various monoclonal antibodies of high specificity are now available for analyzing the estrogen receptor(ER). With these antibodies, biochemical enzyme immunoassay and immunohistochemistry using histologic sections have been used for ER analysis. We used fine needle aspirates from 15 human primary breast carinomas for the analysis of ERs. The semiquantitative receptor values obtained in cytologic specimens were correlated well with those from histologic specimens. The results of ER in fine needle aspirates were concordant with ER in histologic specimens(r=0.94). Only three cases showed a little difference in staining intensity and proportion of positive cells. Our results showed a good correlation between the receptor values determined in cytologic smears and those determined in tissue sections. It is suggested that measurement of the ER in cytologic smears may be a reliable technique which can be performed on aspiration cytologic samples.
Key Words: Fine needle aspiration; Breast carcinoma; Estrogen Receptor
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