- Abstract -

The liver represents the most common localization of primary and metastatic hepatic tumors. This paper aims to review hepatic premalignant lesions and the histopathological classification of malignant tumors of the liver, describing the main growth patterns, citoarchitectural features and immunohistochemical profile of epithelial and mesenchymal hepatic tumors. Clinical aspects, differential diagnosis criteria and developmental-prognostic behavior are discussed.

Key words: hepatic tumors, hepatocellular carcinoma, immunohistochemisty, Hep Par-1, α-fetoprotein.