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Difference between revisions of "Focal nodular hyperplasia"
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Focal nodular hyperplasia (view source)
Revision as of 04:45, 17 September 2014
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{{ Infobox diagnosis | |||
| Name = {{PAGENAME}} | |||
| Image = Focal_nodular_hyperplasia_-_intermed_mag.jpg | |||
| Width = | |||
| Caption = Focal nodular hyperplasia. [[H&E stain]]. | |||
| Synonyms = | |||
| Micro = thick walled blood vessels without bile ducts of same size, bile ductular proliferation at the edge of the fibrosis tissue | |||
| Subtypes = | |||
| LMDDx = [[hepatic adenoma]], [[cirrhosis]] | |||
| Stains = | |||
| IHC = | |||
| EM = | |||
| Molecular = | |||
| IF = | |||
| Gross = well circumscribed with capsule, lighter than surrounding parenchyma - may be yellow, +/-stellate central scar with thick vessels | |||
| Grossing = | |||
| Site = [[liver]] - see ''[[medical liver disease]]'' | |||
| Assdx = | |||
| Syndromes = [[hereditary hemorrhagic telangiectasia]] | |||
| Clinicalhx = | |||
| Signs = | |||
| Symptoms = | |||
| Prevalence = | |||
| Bloodwork = | |||
| Rads = usu. solitary lesion, arterial phase enhancement in triphasic imaging | |||
| Endoscopy = | |||
| Prognosis = benign | |||
| Other = | |||
| ClinDDx = | |||
| Tx = | |||
}} | |||
'''Focal nodular hyperplasia''', abbreviated '''FNH''', is a benign [[liver]] lesion, uncommonly seen by pathologists. | '''Focal nodular hyperplasia''', abbreviated '''FNH''', is a benign [[liver]] lesion, uncommonly seen by pathologists. | ||
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*Lighter than surrounding parenchyma, may be yellow. | *Lighter than surrounding parenchyma, may be yellow. | ||
*+/-Stellate central scar with thick vessels. | *+/-Stellate central scar with thick vessels. | ||
**Can be identified on | **Can be identified on medical imaging. | ||
Note: Usually a solitary lesion.<ref name=emedicine_fnh/> | Note: Usually a solitary lesion.<ref name=emedicine_fnh/> | ||