Difference between revisions of "Liver pathology"

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Liver pathology (view source)

Revision as of 13:01, 20 January 2012

228 bytes added ,  13:01, 20 January 2012
→‎Liver injury terms/histologic findings: +isolated hepatic artery, re-arrange
(→‎Cirrhosis: tweak)
(→‎Liver injury terms/histologic findings: +isolated hepatic artery, re-arrange)
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**Cytoplasmic eosinophilia.
**Cytoplasmic eosinophilia.
*Intraepithelial lymphocytes.
*Intraepithelial lymphocytes.
===Bile duct hamartoma===
*[[AKA]] ''Meyenburg complex'' and ''von Meyenburg complex''.
*Classically associated with ''polycystic kidney disease'' (see ''[[medical liver disease]]'').
*May be seen in a normal liver - incidental finding at autopsy in 0.5-5.6% of cases.<ref name=pmid19018981>Hepatic von Meyenburg complex: a trigger of severe portal hypertension. Yoshida S, Kurokohchi K, Ueno T, Yoshino M, Shimada M, Masaki T. Liver Int. 2009 Apr;29(4):614-5. Epub 2008 Oct 14. PMID 19018981. URL: [http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=2711260 http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=2711260]. Accessed on: 28 September 2009.</ref>
*Appearance on ultrasound<ref name=pmid17287178>Bile duct hamartomas--the von Meyenburg complex. Salles VJ, Marotta A, Netto JM, Speranzini MB, Martins MR. Hepatobiliary Pancreat Dis Int. 2007 Feb;6(1):108-9. PMID 17287178.</ref> and CT (hypodense)<ref name=pmid19294869>[The von Meyenburg complex] Schwab SA, Bautz W, Uder M, Kuefner MA. Rontgenpraxis. 2008;56(6):241-4. German. PMID 19294869.</ref> - similar to metastases.
Microscopic:<ref>{{Ref MacSween|176}}</ref>
*Many bile ducts (tubular structures with cuboidal epithelium).
*Surrounded by a fibrous stroma.
Images:
*[http://commons.wikimedia.org/wiki/File:Von_Meyenburg_complex_low_mag.jpg Von Meyenburg complex - bile duct hamartoma (WC)].
*[http://commons.wikimedia.org/wiki/File:Bile_duct_hamartoma_intermed_mag.jpg Bile duct hamartoma - intermed. mag. (WC)].
===Isolated hepatic artery===
*The hepatic artery branches within the liver should always be found together with a vein and bile duct.
DDx:
*[[Focal nodular hyperplasia]].
*[[Hepatic adenoma]].
*[[Hepatocellular carcinoma]].


===Ballooning degeneration===
===Ballooning degeneration===
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===Bile duct hamartoma===
*[[AKA]] ''Meyenburg complex'' and ''von Meyenburg complex''.
*Classically associated with ''polycystic kidney disease'' (see ''[[medical liver disease]]'').
*May be seen in a normal liver - incidental finding at autopsy in 0.5-5.6% of cases.<ref name=pmid19018981>Hepatic von Meyenburg complex: a trigger of severe portal hypertension. Yoshida S, Kurokohchi K, Ueno T, Yoshino M, Shimada M, Masaki T. Liver Int. 2009 Apr;29(4):614-5. Epub 2008 Oct 14. PMID 19018981. URL: [http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=2711260 http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=2711260]. Accessed on: 28 September 2009.</ref>
*Appearance on ultrasound<ref name=pmid17287178>Bile duct hamartomas--the von Meyenburg complex. Salles VJ, Marotta A, Netto JM, Speranzini MB, Martins MR. Hepatobiliary Pancreat Dis Int. 2007 Feb;6(1):108-9. PMID 17287178.</ref> and CT (hypodense)<ref name=pmid19294869>[The von Meyenburg complex] Schwab SA, Bautz W, Uder M, Kuefner MA. Rontgenpraxis. 2008;56(6):241-4. German. PMID 19294869.</ref> - similar to metastases.
Microscopic:<ref>{{Ref MacSween|176}}</ref>
*Many bile ducts (tubular structures with cuboidal epithelium).
*Surrounded by a fibrous stroma.
Images:
*[http://commons.wikimedia.org/wiki/File:Von_Meyenburg_complex_low_mag.jpg Von Meyenburg complex - bile duct hamartoma (WC)].
*[http://commons.wikimedia.org/wiki/File:Bile_duct_hamartoma_intermed_mag.jpg Bile duct hamartoma - intermed. mag. (WC)].


=Diseases=
=Diseases=
Michael
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