Difference between revisions of "Flea Allergic Dermatitis"
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==Description== | ==Description== | ||
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| + | Flea allergic dermatitis is the most common skin disease of dogs and cats worldwide. Most cases are caused by ''Ctenocephalides felis'', the cat flea, but ''Ctenocephalides canis'', ''Archaeopsylla erinacei'', ''Spylopsyllus cuniculi'' and ''Pulex irritans'' may also be found on cats and dogs. | ||
==Signalment== | ==Signalment== | ||
Revision as of 14:55, 4 August 2010
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This article is still under construction. |
| Also known as: | FAD, Flea Allergy Dermatitis, Flea Bite Hypersensitivity, FBH, Flea Dermatosis |
Description
Flea allergic dermatitis is the most common skin disease of dogs and cats worldwide. Most cases are caused by Ctenocephalides felis, the cat flea, but Ctenocephalides canis, Archaeopsylla erinacei, Spylopsyllus cuniculi and Pulex irritans may also be found on cats and dogs.
Signalment
Diagnosis
Clinical Signs
- Mainly
dorsolumbosacral area involved, abdomen, caudomedial thighs, flanks,
neck of cats
- Secondary trauma is self-inflicted
- Grossly:
- Papular
dermatitis
- Secondary excoriations
- Alopecic nodule if
chronic
Laboratory Tests
Radiography
Biopsy
Endoscopy
Pathology
Grossly:
- Papular dermatitis
- Secondary excoriations
- Alopecic nodule if chronic
- Microscopically:
- Hyperplastic superficial perivascular dermatitis
- Oedema, mast cells, basophils, eosinophils, lymphocytes, histiocytes
- Fibropruritic nodules covered by hyperplastic epidermis
- Microscopically:
- Hyperplastic superficial
perivascular dermatitis
- Oedema, mast cells,
basophils, eosinophils, lymphocytes, histiocytes
- Fibropruritic nodules
covered by hyperplastic epidermis