68 bytes removed ,  22:19, 19 August 2007
Line 297: Line 297:  
====Histological Appearance of Fatty Change====
 
====Histological Appearance of Fatty Change====
   −
* The fat appears either as globules or is contained in varying sizes of vacuoles in the cytoplasm.
+
* The fat either appears as globules or is contained in varying sizes of vacuoles in the cytoplasm.
** In the heart, it appears as tiny groups of vacuoles dispersed along the myofibrils throughout the whole cell.  
+
** In the heart, fat appears as groups of tiny vacuoles dispersed along the myofibrils.  
** In the liver and kidney, these vacuoles tend to, but not always, coalesce (come together;
+
** In the liver and kidney, vacuoles tend to coalesce to form larger ones.
fuse with one another ) to form larger ones, and you may see one or more large globules filling the cytoplasm with displacement of the nucleus to the periphery of the cell.  
+
*** One or more large globules may fill the cytoplasm.
The nucleus remains normal unless the degree of fatty change becomes incompatible with the continued existence of the cell.
+
**** The nucleus is displaced to the periphery of the cell.  
 +
* The nucleus remains normal.
 +
** Nuclear changes are only seen if the degree of fatty change becomes incompatible with the continued existence of the cell.
 
To decide whether or not a vacuole in the cytoplasm of a hepatocyte is fat ( because there are
 
To decide whether or not a vacuole in the cytoplasm of a hepatocyte is fat ( because there are
 
two further conditions which may produce vacuoles in hepatocytes, namely the vacuolar
 
two further conditions which may produce vacuoles in hepatocytes, namely the vacuolar
6,502

edits