During a ward round, you are questioned about tumours that may arise from the liver parenchyma. Which of the following liver tumours is considered to be benign?
1.Angiosarcoma
2.Fibrosarcoma
3.Adenoma
4.Hepatoblastoma
5.Leiyomyosarcoma
View explanation
Benign primary liver tumours include:
• haemangiomas (most common);
• adenomas ©;
• cysts;
• focal nodular hyperplasia;
• fibromas;
• leiyomyomas. The malignant primary liver tumours include:
• hepatocellular carcinoma (accounts for 90 per cent of primary liver tumours);
• cholangiocarcinoma;
• angiosarcoma (A);
• hepatoblastoma (D);
• fibrosarcoma (B);
• leiyomyosarcoma (E).