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Inflammatory Bowel Disease (view source)

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*** Significant inflammatory infiltrate in the mucosa and sometimes deeper layers.

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~~==Eosinophilic Enteritis==~~

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* Can be either focal or diffuse.

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~~===Focal===~~

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* A disease of young dogs.

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

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

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*** 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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* Seen in the dog, cat and horse.

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* 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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~~[[Image:eosinophilic_enteritis.jpg|thumb|right|150px|Eosinophilic enteritis - horse(Courtesy of Susan Rhind, University of Edinburgh)]]~~

==Idiopathic Eosinophilic Enteritis==

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