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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. | + | 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===
| + | 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.
| + | 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:
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| *Boxers | | *Boxers |
| *Dobermans | | *Dobermans |