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8 bytes added ,  22:12, 19 August 2007
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* Fatty change can be readily recognised at post-mortem.
 
* Fatty change can be readily recognised at post-mortem.
   −
====Appearance of Fatty Change====
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==== Gross Appearance of Fatty Change====
    
* '''Liver'''
 
* '''Liver'''
 
** This is the main organ involved in fatty change.
 
** This is the main organ involved in fatty change.
** '''Gross changes'''
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** May be greatly increased in size.
*** May be greatly increased in size.
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** Is tan to yellowish in colour.
*** Is tan to yellowish in colour.
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*** Is normally reddish brown.
**** Is normally reddish brown.
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** Very prone to rupture with slight pressure (friable).
*** Very prone to rupture with slight pressure (friable).
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** Parenchyma bulges outwards on being freed from the constraint of the capsule when cut.
*** Parenchyma bulges outwards on being freed from the constraint of the capsule when cut.
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** Parenchyma is dull, yellowish and greasy.
*** Parenchyma is dull, yellowish and greasy.
   
* '''Kidney'''
 
* '''Kidney'''
 
** The cortex appears paler.
 
** The cortex appears paler.
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*** Diffuse paleness is not the prominent feature, unlike in the liver.
 
*** Diffuse paleness is not the prominent feature, unlike in the liver.
 
* '''Heart'''
 
* '''Heart'''
fatty change is found in anaemia in animals and is the result of anoxia ;
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** Anoxia, as a result of anaemia, causes fatty change.
the heart is flabby and the fatty change may occur as streaks in the papillary
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** The heart is flabby.
muscles (those furthest away from the blood supply).
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** Fatty change may occur as streaks in the papillary muscles.
Overall it has reduced contractile ability, and does not pump blood efficiently.
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*** I.e. those muscles furthest away from the blood supply.
Microscopically, the fat
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** Contractile ability is reduced, and blood is therefore not umped efficiently.
appears as globules or
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vacuoles of varying size
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====Histological Appearance of Fatty Change====
in the cytoplasm of the
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*** The fat appears either as globules or in varying sizes of vacuoles in the cytoplasm.
cells. In the heart, it
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In the heart, it
 
appears as tiny groups of
 
appears as tiny groups of
 
vacuoles dispersed along
 
vacuoles dispersed along
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