Case Report
Copyright ©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 28, 2006; 12(40): 6567-6571
Published online Oct 28, 2006. doi: 10.3748/wjg.v12.i40.6567
Figure 4
Figure 4 Microphotograph showing details of the tumor. A, B: The tumor displays a trabecular growth pattern (A-arrow, B-arrow) with focal pseudoglandular transformation (A-arrowhead) (HE, A × 250, B × 400); C: Tumor cells show positive immunohistochemical stain for hepatocyte antigen (arrows-streptavidin biotin peroxidase × 250); D: Tumor cells show positive immunohistochemical stain for cytokeratin 18 (arrows-streptavidin biotin peroxidase × 400); E: Immunohistochemical stain for polyclonal carcinoembryonic antigen displays a canalicular pattern (arrows-streptavidin biotin peroxidase × 100).