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skos:definition |
MSH: A malignant neoplasm occurring in young children, primarily in the liver, composed of tissue resembling embryonal or fetal hepatic epithelium, or mixed epithelial and mesenchymal tissues. (Stedman, 25th ed),NCI: A type of liver tumor that occurs in infants and children.,CSP: malignant liver neoplasm occurring in children and composed of tissue resembling fetal or mature liver cells or bile ducts.,NCI: A malignant liver neoplasm composed of immature hepatocytic elements.,NCI: A malignant liver neoplasm that occurs almost exclusively in infants, although isolated cases in older children and adults have been reported. Grossly, hepatoblastoma is solid, well circumscribed, and more often solitary than multiple. Microscopically, most of the tumors are composed exclusively of immature hepatocytic elements. About a fourth of hepatoblastomas contain a stromal component that may be undifferentiated or develop into bone or cartilage. The treatment of choice for hepatoblastoma is surgical excision with adjuvant ther
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