Cytokeratin 7

Cytokeratin 7

Cytokeratin 7 (CK7) is a type II keratin which is present in transitional, ductal, glandular, and biliary duct epithelial cells. Cytokeratin 7 is a useful marker for distinguishing between carcinomas of the lung, breast, endometrium, and urothelia (positive stain) from carcinomas of the colon and prostate (negative stain). Cytokeratin 7 is present is nearly all primary lung adenocarcinomas, and is a useful marker in the differential diagnosis of ovarian neoplasms. Anti-Cytokeratin 7 does not stain intermediate filament.

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3 slides/package