Fig. 29.4 (A) Hepatoblastoma of a 3-year-old boy (autopsy). (B) The hepatoblastoma corresponds to an epithelial fetal type and shows atypical hepatocytes
disarranged in a fibrous stroma (H&E x HP). (C) Atypical hepatocytes with moderate to severe pleomorphism. Fine-needle aspiration (FNA) (Papanicolaou x OI).
(D) Hepatocellular carcinoma of a 10-year-old girl with antecedent of hepatitis B (autopsy). (E) The hepatocellular carcinoma corresponds to a
pseudoglandular subtype (H&E x HP). (F) Atypical hepatocytes with pleomorphism. FNA (toluidine blue x OI).