DISTRIBUTION AND SIGNIFICANCE OF MY- OEPITHELIAL CELLS IN BENION AND MA- LIGNANT LESIONS OF THE BREAST-IM- MUNOHISTOCHEMICAL AND ULTRASTRUC-TURAL STUDY
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DISTRIBUTION AND SIGNIFICANCE OF MY- OEPITHELIAL CELLS IN BENION AND MA- LIGNANT LESIONS OF THE BREAST-IM- MUNOHISTOCHEMICAL AND ULTRASTRUC-TURAL STUDY
Journal of Chongqing Medical UniversityIssue 1, (1996)
Zhang Hui, et al. DISTRIBUTION AND SIGNIFICANCE OF MY- OEPITHELIAL CELLS IN BENION AND MA- LIGNANT LESIONS OF THE BREAST-IM- MUNOHISTOCHEMICAL AND ULTRASTRUC-TURAL STUDY. [J]. Journal of Chongqing Medical University (1).(1996)
Zhang Hui, et al. DISTRIBUTION AND SIGNIFICANCE OF MY- OEPITHELIAL CELLS IN BENION AND MA- LIGNANT LESIONS OF THE BREAST-IM- MUNOHISTOCHEMICAL AND ULTRASTRUC-TURAL STUDY. [J]. Journal of Chongqing Medical University (1).(1996)DOI:
DISTRIBUTION AND SIGNIFICANCE OF MY- OEPITHELIAL CELLS IN BENION AND MA- LIGNANT LESIONS OF THE BREAST-IM- MUNOHISTOCHEMICAL AND ULTRASTRUC-TURAL STUDY
Ixty-five benign conditions and 104 cases of breast carcinoma were collected.Antibodies utilized to identifyMEC in this study included anti-musele-specific actin(MSA).anti一Cytokeratin-14(CK-14)and anti一S-100protein. MEC expoosed MSA
CK-14 and S-100 protein in all benign lesions examined.A small number of luminalepithelial cells alse expresseLd CK-14 and / or S-100 protein. of the 98 cases of infiltheting carcinoma of thebreast
MSA positively stained MEC wenf totally or nealy absent in 91(92.81%)cases
oniy few positive cells weredetected in 7(7.2%)cases. 9 cases of benign lesions of the breast and 23 cases of the breast carcinoma werestudied ultrastructually.The findingr of the MEC in the breast lesions were consistent with the MSA inununostainingresults. Our data indicate that the MEC of the breast carcinoma may represent the residual elements.The results alsosuggest that MSA immunostain may have practical value in distinguishing sclerosing adenosis or infiltrating ductalcarcinoma