Micrograph showing a<unk>  (right of image) and normal liver (left of image). H&E stain. Liver tumor types by relative incidence in adults in the United States, with<unk>  at right.<unk> s originate from immature liver precursor cells, are typically unifocal, affect the right lobe of the liver more often than the left lobe, and can metastasize. They are categorized into two types: "Epithelial Type" and "Mixed Epithelial / Mesenchymal Type." Individuals with familial adenomatous polyposis (FAP), a syndrome of early-onset colonic polyps and adenocarcinoma, frequently develop<unk> s. Also, beta-catenin mutations have been shown to be common in sporadic<unk> s, occurring in as many as 67% of patients. Recently, other components of the Wnt signaling pathway have also demonstrated a likely role in constitutive activation of this pathway in the causation of<unk> . Accumulating evidence suggests that<unk>  is derived from a pluripotent stem cell. Syndromes with an increased incidence of<unk>  include Beckwith Wiedmann syndrome, trisomy 18, trisomy 21, Acardia syndrome, Li-Fraumeni syndrome, Goldenhar syndrome, von Gierke disease, and familial adenomatous polyposis.
Hepatoblastoma
Pancreatoblastoma
Ameloblastoma
Hepatoid tumor
Glioblastoma
Sialoblastoma
Medulloblastoma
Hemangioblastoma