Steatosis: Difference between revisions
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| Micro = fatty change (macrovesicular or microvesicular and periportal or centrilobular), negative for ballooning degeneration, negative for significant inflammation - esp. [[neutrophils]] | | Micro = fatty change (macrovesicular or microvesicular and periportal or centrilobular), negative for ballooning degeneration, negative for significant inflammation - esp. [[neutrophils]] | ||
| Subtypes = macrovesicular steatosis (periportal, centrilobular), microvesicular steatosis | | Subtypes = macrovesicular steatosis (periportal, centrilobular), microvesicular steatosis | ||
| LMDDx = [[steatohepatitis]] (ASH, | | LMDDx = [[steatohepatitis]] (ASH, MASH), [[drug-induced liver injury]] | ||
| Stains = | | Stains = | ||
| IHC = | | IHC = | ||
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| Molecular = | | Molecular = | ||
| IF = | | IF = | ||
| Gross = yellow colour, greasy/slippery | | Gross = yellow colour, greasy/slippery feeling, enlarged | ||
| Grossing = | | Grossing = | ||
| Staging = | | Staging = | ||
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| Prognosis = dependent on underlying cause | | Prognosis = dependent on underlying cause | ||
| Other = | | Other = | ||
| ClinDDx = [[ASH]], [[ | | ClinDDx = [[ASH]], [[MASH]], [[drug-induced liver injury]] | ||
| Tx = dependent on underlying cause | | Tx = dependent on underlying cause | ||
}} | }} | ||
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Centrilobular predominant (zone III) - ''DOA'':<ref name=pcddx_steatosis/> | Centrilobular predominant (zone III) - ''DOA'':<ref name=pcddx_steatosis/> | ||
*[[Diabetes mellitus]]. | *[[Diabetes mellitus]]. | ||
*[[Obesity]], | *[[Obesity]], metabolic dysfunction-associated steatohepatitis ([[MASH]]). | ||
*[[Alcoholic liver disease]], alcoholic steatohepatitis (ASH). | *[[Alcoholic liver disease]], alcoholic steatohepatitis (ASH). | ||
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*Greasy/slippery feeling. | *Greasy/slippery feeling. | ||
*Enlarged. | *Enlarged. | ||
Note: | |||
*May be estimated on MRI by proton density fat fraction (PDFF).<ref name=pmid23382291>{{Cite journal | last1 = Tang | first1 = A. | last2 = Tan | first2 = J. | last3 = Sun | first3 = M. | last4 = Hamilton | first4 = G. | last5 = Bydder | first5 = M. | last6 = Wolfson | first6 = T. | last7 = Gamst | first7 = AC. | last8 = Middleton | first8 = M. | last9 = Brunt | first9 = EM. | title = Nonalcoholic fatty liver disease: MR imaging of liver proton density fat fraction to assess hepatic steatosis. | journal = Radiology | volume = 267 | issue = 2 | pages = 422-31 | month = May | year = 2013 | doi = 10.1148/radiol.12120896 | PMID = 23382291 }}</ref> | |||
==Microscopic== | ==Microscopic== | ||