Focal Nodular Hyperplasia : Microscopic
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![Liver_FNH9.jpg](/slides-13/slides/Liver_FNH9.jpg)
Comments:
Microscopic Features: Focal nodular hyperplasia (FNH) comprises nodules of normal-appearing hepatocytes, which are partially separated by the fibrous bands that radiate from the central fibrous zone. There is some resemblance to cirrhosis. The fibrovascular stroma contains thick-walled dystrophic arteries, bile ductular proliferations, and inflammatory infiltrates. FNH lacks normal portal tracts but, rarely, there may be intermediate- to large-caliber bile ducts within the central fibrous zone.