Changes

An eosinophilic infiltrate may indicate a diet-induced, type 1 hypersensitivity.  However, most dogs do not respond to a purely exclusion diet.  Endoparasitism should also be excluded prior to immunosuppressive therapy for EE.

An eosinophilic infiltrate may indicate a diet-induced, type 1 hypersensitivity.  However, most dogs do not respond to a purely exclusion diet.  Endoparasitism should also be excluded prior to immunosuppressive therapy for EE.

 

==Signalment==

===Focal===

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.

 

* A disease of young dogs.

* Associated with [[Toxocara canis|''Toxocara canis'']] infection.

** Pin-head sized white nodules can be seen under the serosa in the bowel.

*** Consist of of eosinophils and occasionally macrophages and plasma cells.

*** Consist of of eosinophils and occasionally macrophages and plasma cells.

*** Can sometimes see [[Toxocara canis|''Toxocara'']] larvae in the nodules.

*** Can sometimes see [[Toxocara canis|''Toxocara'']] larvae in the nodules.

*** Eosinophils heavily infiltrate all layers of stomach and intestines.

*** Eosinophils heavily infiltrate all layers of stomach and intestines.

**It has been suggested that it is a type of hypersensitivity reaction.

**It has been suggested that it is a type of hypersensitivity reaction.

This condition is seen in any breed or age, but is more common in younger animals and certain breeds:

This condition is seen in any breed or age, but is more common in younger animals and certain breeds: