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==Signalment==
 
==Signalment==
Focal EE is a disease of young dogs, which can be associated with [[Toxocara canis|''Toxocara canis'']] infection. Pin-head sized white nodules can be seen under the serosa in the bowel.
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Focal EE is a disease of young dogs, which can be associated with [[Toxocara canis|''Toxocara canis'']] infection. Pin-head sized white nodules can be seen under the serosa in the bowel, consisting of eosinophils, and occasionally macrophages, plasma cells and [[Toxocara canis|''Toxocara'']] larvae.
*** Consist of of eosinophils and occasionally macrophages and plasma cells.
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*** Can sometimes see [[Toxocara canis|''Toxocara'']] larvae in the nodules.
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===Diffuse===
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The diffuse form of EE is seen in the dog, cat and horse; it is described as idiopathic but the aetiology has been suggested to be a hypersensitivity reaction. In this form of the condition, recurrent episodes of diarrhoea with tissue and circulatory eosinophilia occurs, with a heavy infiltrate of eosinophils present histologically in all layers of the stomach and intestines.
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* Seen in the dog, cat and horse.
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There is a predilection for diffuse EE in:  
* Idiopathic
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* Has a predilection for German Shepherd Dogs, but also occcurs in other breeds of dogs and in cats.
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** Recurrent episodes of diarrhoea with tissue and circulatory eosinophilia.
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*** Eosinophils heavily infiltrate all layers of stomach and intestines.
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**It has been suggested that it is a type of hypersensitivity reaction.
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This condition is seen in any breed or age, but is more common in younger animals and certain breeds:
   
*Boxers
 
*Boxers
 
*Dobermans
 
*Dobermans
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