PMC4246725_01
Immunohistochemical staining of the tissues was performed. (A) Nasopharyngeal carcinoma with dark nucleoli (hematoxylin and eosin staining; magification, x200). (B and C) Tumor tissue identified in the breast. (B) Hematoxylin and eosin staining; magnification, x200. (C) Hematoxylin and eosin staining; magnification, x100.
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Immunohistological examination of the tumor tissue revealed positivity for pan cytokeratin (PCK) and CK17, and negativity for CK20, cluster of differentiation (CD)3, CD20, chromogranin A and synaptophysin (Figs. 1 and 2).
Immunohistochemical staining of (A) nasopharyngeal carcinoma and (B-G) breast tumor. The two tissues were positive for (A and B) CK17. The breast tumor tissue exhibited negative staining for (C) CK20, (D) CD3, (E) CD20, (F) synaptophysin and (G) chromogranin A (magnification, x200). CK, cytokeratin; CD, cluster of differentiation.
OL-09-01-0275-g01.jpg
PMC4246725_01_OL-09-01-0275-g01.jpg
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Immunohistological examination of the tumor tissue revealed positivity for pan cytokeratin (PCK) and CK17, and negativity for CK20, cluster of differentiation (CD)3, CD20, chromogranin A and synaptophysin (Figs. 1 and 2).