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Related to Cytokeratin: cytokeratin 18, cytokeratin 20, cytokeratin 7
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(1, 14) Cytokeratin, however, is not a useful marker because it can be expressed in both PMDM and pseudotumoral deciduosis.
Cytokeratin 5/6 and p63 are the recently added markers which also help in differentiating PMA from metastatic mucinous adenocarcinoma, as proposed by various studies.
Cytokeratin immunoreactivity in Ewing sarcoma/primitive neuroectodermal tumour.
The cytokeratin expression level in the VEGF-BMSC group was slightly higher than that of the BMSC group and sham operation group without a significant difference and was significantly higher compared with the control group.
Spearman's correlation coefficients obtained for the correlations between adenosine deaminase and cytokeratin 19 fragments in pleural fluids were significantly positive for adenocarcinomas and significantly negative for a heterogeneous group of other diseases, including Dressler syndrome, melanocarcinoma, chylothorax, and leukemia, as shown in Table 3.
(d) Both the seminoma (top) and Leydig cell tumor (bottom) are negative for cytokeratin (x4000 each).
Immunohistochemically, our tumor was positive for vimentin, CD34, and renin, along with CD10, MUC1, smooth muscle actin, and caldesmon, while it was negative for cytokeratin (AE1/AE3), EMA, CD99, HMB45, and STAT6.
Immunohistochemistry showed cytokeratin 5/6 (+) (c, 10x), P63 (+) (d, 10x), cytokeratin 7 (-), TTF-1 (-) and Ki67 (50%).
The main ones include cytokeratin 19, Galectin 3 and HBME 1.
Immunohistochemically, cells stain positive for antibodies to cytokeratin 8 (CAM 5.2), actin, vimentin and cytokeratin 14 and negative for cytokeratin 18 and 19.
Along with cytokeratin 8, CK-18 is the only cytokeratin found in the hepatocytes [10].
Immunohistochemical (IHC) stains showed cytokeratin 7 positive, cytokeratin 20 positive (Figure 5), Caudal Type Homeobox 2 (CDX2) positive (Figure 6), GATA3 negative in neoplastic cells (Figure 7), and Uroplakin negative in neoplastic cells (Figure 8).