Hepatoblastoma

**Semantic type:** Neoplastic Process

**Definition:** A malignant embryonal neoplasm that arises from the liver. It occurs almost exclusively in infants, although isolated cases in older children and adults have been reported. Microscopically, it consists of either epithelial or epithelial and mesenchymal components.

**Synonyms:** - HBL - HBL - HEPATOBLASTOMA, MALIGNANT - Pediatric Embryonal Hepatoma - Pediatric Embryonal Hepatoma - Pediatric Hepatoblastoma - Pediatric Hepatoblastoma - hepatoblastoma