Liver tumor
263759
223845986
2008-07-06T03:15:57Z
Arcadian
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'''Hepatic tumors''' are tumors or growths on or in the [[liver]] (medical terms pertaining to the [[liver]] often start in ''hepato-'' or ''hepatic'' from the [[Greek language|Greek]] word for liver, ''hepar''). These growths can be [[benign]] or [[malignant]] (cancerous). They may be discovered on [[medical imaging]] (even for a different reason than the [[cancer]] itself), or may be present in patients as an abdominal mass, [[hepatomegaly]], [[abdominal pain]], [[jaundice]], or some other [[liver]] dysfunction.
==Classification==
There are many forms of '''liver tumors''':
===Malignant (cancerous)===
* Most cases are '''[[metastases]]''' from other [[tumor]]s, frequently of the [[GI tract]] (like [[colon cancer]], [[Carcinoid syndrome|carcinoid tumors]] mainly of the [[appendix]], ''etc''.), but also from [[breast cancer]], [[ovarian cancer]], [[lung cancer]], [[renal cancer]], [[prostate cancer]], ''etc''.
* The most frequent, malignant, primary liver cancer is '''[[hepatocellular carcinoma]]''' (also named ''hepatoma'', which is a misnomer because [[adenoma]]s are usually benign).
* More rare primary forms of liver cancer include [[cholangiocarcinoma]], mixed tumors, tumors of [[Mesenchymal stem cell|mesenchymal]] tissue, [[sarcoma]] and [[hepatoblastoma]], a rare malignant tumor in children.
===Benign===
* Hepatic [[Hemangioma]] are the most common liver tumors, found in up to 7% of autopsy specimens.
** A rare tumor is [[Infantile hemangioendothelioma]].
* [[Hepatic Adenoma]], mainly in women using estrogens as contraceptives, or in cases of steroid abuse
* [[Focal nodular hyperplasia|Focal Nodular Hyperplasia]]
** [[Nodular regenerative hyperplasia]]
** [[Hamartoma]]
==External links==
* [http://pathology2.jhu.edu/liver/ The Liver Cancer Web Page] at [[Johns Hopkins University]]
* [http://www.mayoclinic.com/health/liver-cancer/DS00399/ Liver cancer] at [[Mayo Clinic]]
* [http://www.bluefaery.org/ Blue Faery: The Adrienne Wilson Liver Cancer Association]
{{Digestive system neoplasia}}
[[Category:Hepatology]]
[[de:Leberkrebs]]
[[ko:간암]]
[[hu:Májtumor]]
[[nl:Leverkanker]]
[[ja:肝癌]]
[[fi:Maksasyöpä]]
[[pl:Nowotwory wątroby]]
[[sv:Levercancer]]
[[ur:سرطان جگر]]
[[zh:肝癌]]
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[[Category:Oncology]]