Intrahepatic cholangiocarcinoma is more complex than we thought: A case report

Figure 2 Pathological results of the lesions. A: Hematoxylin and eosin-stained section of the brain lesion showing abundant eosinophils with large vesicular nuclei and clear cytoplasm (× 400); B: Immunohistochemical staining was positive for cytokeratin 19 (× 400) in the brain tumor cells, which indicated metastasis of intrahepatic cholangiocarcinoma; C and D: These findings of the liver lesions were similar to those of the intrahepatic cholangiocarcinoma pathological specimen obtained by hepatectomy (× 400).