Undifferentiated Embryonal Sarcoma of the Liver Involving All Major Hepatic Veins Treated by Left Extended Trisectionectomy

Figure 7

Histopathological exam demonstrating fusiform, oval, or stellate tumor cells distributed over myxoid or fibrous stroma. Nuclear pleomorphism and hyperchromasia are noted. Cell cytoplasm is granular and eosinophilic, with ill-defined cell borders. In the top left, the remnant bile duct is involved by neoplastic cells (H&E, 20x objective). Image insert: strong and diffuse immunostaining for alpha 1-antichymotrypsin (40x objective).