Liver tumors

Changed by Ammar Haouimi, 29 Oct 2018

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Liver tumours, like tumours of any organ, can be classified as primary or secondary.

Metastases

Liver metastases are by far the most common hepatic malignancy, with many of the most common primaries readily seeding to the liver. This is especially the case with gastrointestinal tract tumours, due to portal drainage through the liver ².

Primary malignant tumours

hepatocellular carcinoma (HCC)
- 80-90%
- usually in the setting of cirrhosis or hepatitis B virus
intrahepatic cholangiocarcinoma
- 7-10%
- 20% in the Far East ^1,2
hepatic angiosarcoma (previously known as Kupffer-cell sarcoma)
- rare (~1%)
- Thorotrast and arsenic implicated ²
epitheloid haemangioendothelioma
- very rare
- younger patients than angiosarcomas ²
other sarcomas, e.g. fibrosarcoma, leiomyosarcoma
primary lymphoma
biliary cystadenocarcinoma
hepatoblastoma
- seen in children

Primary benign tumours

leiomyoma ⁵

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