Metastatic liver disease

Metastatic liver disease
Micrograph of a liver core needle biopsy showing metastatic cancer.
Main sites of metastases for some common cancer types, showing liver as the target for many types. Primary cancers are denoted by "...cancer" and their main metastasis sites are denoted by "...metastases".[1]

Metastatic liver disease

  • Liver is a common site for metastatic disease because it is rich, dual blood supply (the liver receives blood via the hepatic artery and portal vein), which is 20 times more common than primary ones.
  • 50% cases of primary tumor is gastrointestinal tract
  • Tumor emboli entering the sinusoids through the liver blood supply appear to be physically obstructed by the Kupffer cells, but if tumor emboli are larger, they tend to become lodged in the portal venous branches.

Contents

Features

Investigations

Treatment

  • No effective treatment for most patients --- because both lobes usually involved --- making surgical resection impossible
  • Younger patients with metastases from colorectal cancer, confined to one lobe of liver and up to 4 in number, should be treated by partial hepatectomy.
    • In selected cases, chemotherapy may be given systematically or via hepatic artery.
  • In some tumors, notably arising from the colon and rectum, apparently solitary metastases/metastases to one or other lobes --- may be resected
  • Careful search for other metastases is required, including local recurrence of original primary tumor (eg:colonoscopy) and dissemination elsewhere (eg:CT of thorax) --- 5 year survival rates of 30-40% have been reported following resection

References

[2] [3] [4] [5] [6] [7] [8]

  1. ^ List of included entries and references is found on main image page in Commons: Commons:File:Metastasis sites for common cancers.svg#Summary
  2. ^ Metastatic Liver Cancer: Tumors of the Liver: Merck Manual Home Health Handbook
  3. ^ Treatment of metastatic liver cancer and colorectal cancer
  4. ^ www.c2i2.org/winter2003/imaging_update_in_metastatic_abstract.asp
  5. ^ www.healthcare.com/topic/metastatic-liver-disease
  6. ^ en.diagnosispro.com/disease_information-for/metastatic-liver-disease/16554.html
  7. ^ lib.bioinfo.pl/pmid:16586537
  8. ^ www.ist-world.org/ResultPublicationDetails.aspx?ResultPublicationId=3fb68dcc8b7142b6afc25183a9aa2786

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