Primary mixed germ cell tumor of the liver with sarcomatous components

Figure 2 Immunohistochemical features of mixed GCT of the liver with sarcomatous components. A: Strong staining for AFP in the yolk sac tumor component; B: Strong staining for AFP in acinar structures resembling pancreatic acinar tissue; C: Strong staining for α-chymotrypsin in acinar structures resembling pancreatic acinar tissue; D: CD56 positivity in primitive mesenchymal cells; E: Strong staining for desmin in rhabdomyoblastic cells in primitive mesenchymal cell components; F: Strong staining for synaptophysin in neuroblastoma tissue (EnVision Plus stain; A-F, × 400).