Diagnostic value of alpha-fetoprotein and prothrombin induced by vitamin K absence-II in serum, bile, and feces in hepatocellular carcinoma

Figure 3 Immunohistochemical analysis of alpha-fetoprotein in hepatocellular carcinoma and the structural relationship between alpha-fetoprotein and the spatial distribution of bile ducts. A: Alpha-fetoprotein (AFP) immunohistochemistry in tumor tissue; B: AFP immunohistochemistry in paraneoplastic tissue; C: Negative AFP immunohistochemistry result in tumor tissue, with scattered enhancement in some areas; D: AFP immunohistochemistry results; E: Cytokeratin 7 immunohistochemistry results. A-C from left to right: 100 ×, 200 ×, 400 × magnifications; D and E from left to right: 100 ×, 100 ×, 200 × magnifications.