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Rare hepatic malignancies

From Surgopaedia

Intra-hepatic cholangiocarcinoma

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  • See separate topic

Hepatoblastoma

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  • Most common primary hepatic tumour of childhood (almost all cases occur before 3yo)
  • Associated with FAP
  • Derived from fetal or embryonic hepatocytic progenitors, and mesenchymal elements are often present
  • Generally asymptomatic mass
  • Most have elevated AFP
  • Survival dependent on complete resection
  • Long-term survival of 60-70% with complete resection
  • Can cause pulmonary mets, which can also be excised

Sarcoma (metastatic lesions until proven otherwise)

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  • Angiosarcoma
    • Associated with vinyl chloride or Thorotrast exposure
    • Multiple hepatic masses, can appear in childhood
    • Long-term survival uncommon
  • Leiomyosarcoma
  • Malignant fibrous histiocytoma
  • Embryonic sarcoma
    • Paediatric
  • Primary hepatic rhabdoid tumours
    • Paediatric

Non-Hodgkin lymphoma

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  • Can be primary liver lymphoma or secondary
  • Treat the same as lymphoma elsewhere in the body

Primary hepatic neuroendocrine tumours

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  • Extremely rare
  • Hard to distinguish from metastatic
  • Liver is most common site for metastases

Malignant germ cell tumours (very rare - paediatric)

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  • Teratomas
  • Choriocarcinomas
  • Yolk sac tumours

Epithelioid haemangioendothelioma

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  • Rare
  • Multiple bilateral hepatic masses
  • Unpredictable clinical behaviour
  • Transplantation has been successfully used to treat