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Difference between revisions of "Medical liver disease"
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→Focal nodular hyperplasia: +images
(→Drug toxicity: wikify) |
(→Focal nodular hyperplasia: +images) |
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===Gross=== | ===Gross=== | ||
Features:<ref>{{Ref PBoD|922}}</ref> | Features:<ref name=Ref_PBoD922>{{Ref PBoD|922}}</ref> | ||
*Well circumscribed, but no capsule. | *Well circumscribed, but no capsule. | ||
*Lighter than surrounding parenchyma, may be yellow. | *Lighter than surrounding parenchyma, may be yellow. | ||
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Note: Usually a solitary lesion.<ref name=emedicine_fnh/> | Note: Usually a solitary lesion.<ref name=emedicine_fnh/> | ||
===Microscopic=== | ===Microscopic=== | ||
Features:<ref>{{Ref PBoD|922}}</ref> | Features:<ref name=Ref_PBoD922>{{Ref PBoD|922}}</ref> | ||
*Stellate scar has large arteries with fibromuscular hyperplasia. | *Stellate scar has large arteries with fibromuscular hyperplasia. | ||
**Thin fibrous septa radiate from the central scar - surrounded by lymphocytes & bile ductules. | **Thin fibrous septa radiate from the central scar - surrounded by lymphocytes & bile ductules. | ||
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*Hepatic adenoma - may be difficult to distinguish, if no scar and no ductal proliferation.<ref>STC. 19 Jan 2009.</ref> | *Hepatic adenoma - may be difficult to distinguish, if no scar and no ductal proliferation.<ref>STC. 19 Jan 2009.</ref> | ||
*Cirrhosis. | *Cirrhosis. | ||
Images: | |||
*[http://commons.wikimedia.org/wiki/File:Focal_nodular_hyperplasia_-_low_mag.jpg FNH - looks a bit like cirrhosis - low mag. (WC)]. | |||
*[http://commons.wikimedia.org/wiki/File:Focal_nodular_hyperplasia_-_intermed_mag.jpg FNH - intermed. mag. (WC)]. | |||
*[http://commons.wikimedia.org/wiki/File:Focal_nodular_hyperplasia_-_high_mag.jpg FNH - high mag. (WC)]. | |||
==Nodular regenerative hyperplasia== | ==Nodular regenerative hyperplasia== | ||