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| ==Description== | | ==Description== |
− | Eosinophilia refers to an increase in the number of [[Eosinophil|eosinophils]] present in the blood or tissues. This form of leucocytosis is most commonly associated with '''parasitism''' or [[:Category:Hypersensitivity|'''hypersensitivity''']] reactions, including the following diseases: | + | Eosinophilia refers to an increase in the number of [[Eosinophil|eosinophils]] present in the blood or tissues. This form of leucocytosis can be associated with '''[[Parasites|parasitism]]''' or [[:Category:Hypersensitivity|'''hypersensitivity''']] reactions. |
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− | <u>'''Hypersensitivity Reactions'''</u>
| + | ==Hypersensitivity Reactions== |
| *[[Flea Allergic Dermatitis|'''Flea bite hypersensivity''']] is the most common cause of eosinophilia in cats and it may occur in animals with signs of miliary dermatitis. Food hypersensitivity reactions and [[Atopic Dermatitis|atopic dermatitis]] may also be variably associated with eosinophilia. | | *[[Flea Allergic Dermatitis|'''Flea bite hypersensivity''']] is the most common cause of eosinophilia in cats and it may occur in animals with signs of miliary dermatitis. Food hypersensitivity reactions and [[Atopic Dermatitis|atopic dermatitis]] may also be variably associated with eosinophilia. |
| *'''[[Feline Eosinophilic Granuloma|Feline eosinophilic granuloma complex]]''' may be associated with blood or tissue eosinophilia. The eosinophilic ulcer form is rarely associated with systemic changes whereas eosinophilia is a near constant feature of the eosinophilic plaque. The linear granuloma is variably associated with blood eosinophilia. | | *'''[[Feline Eosinophilic Granuloma|Feline eosinophilic granuloma complex]]''' may be associated with blood or tissue eosinophilia. The eosinophilic ulcer form is rarely associated with systemic changes whereas eosinophilia is a near constant feature of the eosinophilic plaque. The linear granuloma is variably associated with blood eosinophilia. |
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| *'''[[Feline Asthma Syndrome|Feline asthma syndrome]]''', canine '''[[Pulmonary Infiltration with Eosinophilia|pulmonary infiltration with eosinophils (PIE)]]''' and equine '''eosinophilic pulmonary granulomas''' may all be associated with blood eosinophilia. | | *'''[[Feline Asthma Syndrome|Feline asthma syndrome]]''', canine '''[[Pulmonary Infiltration with Eosinophilia|pulmonary infiltration with eosinophils (PIE)]]''' and equine '''eosinophilic pulmonary granulomas''' may all be associated with blood eosinophilia. |
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− | <u>'''Parasite Infection'''</u> - Both endo- and ecto-parasite infections may result in blood eosinophilia, in particular:
| + | ==Parasite Infection== |
| + | Both endo- and ecto-parasite infections may result in blood eosinophilia, in particular: |
| *''[[Aelurostrongylus abstrusus]]'', the feline lungworm. | | *''[[Aelurostrongylus abstrusus]]'', the feline lungworm. |
| *''[[Dirofilaria immitis]]'' which causes heartworm disease. | | *''[[Dirofilaria immitis]]'' which causes heartworm disease. |
| *Gastro-intestinal parasites including ''[[Toxocara canis]]'' and the other toxascarids of dogs and cats. | | *Gastro-intestinal parasites including ''[[Toxocara canis]]'' and the other toxascarids of dogs and cats. |
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− | <u>'''Miscellaneous'''</u>
| + | ==Miscellaneous== |
− | *The rare form of eosinophilic '''chronic myeloid leukaemia''' may result in the abnormally high production of eosinophils.
| + | *'''[[Hypoadrenocorticism]]''' or Addison's disease may be associated with eosinophilia, a feature that may help to differentiate it from other diseases as such severely ill animals would usually be expected to have a [[Stress Leucogram|stress leucogram]]. |
− | *'''[[Hypoadrenocorticism]]''' or Addison's disease may be associated with eosinophilia, a feature that may help to differentiate it from other diseases as such severely ill animals would usually be expected to have a stress leucogram. | |
| *Eosinophilia may occur in '''pregnant small animals'''. | | *Eosinophilia may occur in '''pregnant small animals'''. |
| *'''German shepherd dogs''' are particularly prone to the development of eosinophilia and this may or may not be related to the presence of concurrent enteritis. | | *'''German shepherd dogs''' are particularly prone to the development of eosinophilia and this may or may not be related to the presence of concurrent enteritis. |
| + | *The rare form of eosinophilic '''chronic myeloid leukaemia''' may result in the abnormally high production of eosinophils. |
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− | ==Literature Search==
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− | [[File:CABI logo.jpg|left|90px]]
| + | |literature search = [http://www.cabdirect.org/search.html?it=any&q1=Eosinophilia&calendarInput=yyyy-mm-dd&occuring1=title&show=all&rowId=1&rowId=2&rowId=3&options1=AND&options2=AND&options3=AND&occuring3=freetext&occuring2=freetext&publishedend=yyyy&la=any&publishedstart=yyyy&fq=sc:%22ve%22&y=4&x=51 Eosinophilia publications] |
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− | Use these links to find recent scientific publications via CAB Abstracts (log in required unless accessing from a subscribing organisation).
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− | [http://www.cabdirect.org/search.html?it=any&q1=Eosinophilia&calendarInput=yyyy-mm-dd&occuring1=title&show=all&rowId=1&rowId=2&rowId=3&options1=AND&options2=AND&options3=AND&occuring3=freetext&occuring2=freetext&publishedend=yyyy&la=any&publishedstart=yyyy&fq=sc:%22ve%22&y=4&x=51 Eosinophilia publications] | |
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| [http://www.cabdirect.org/search.html?q=title:(Eosinophilia)+AND+od:(dogs) Eosinophilia in dogs publications] | | [http://www.cabdirect.org/search.html?q=title:(Eosinophilia)+AND+od:(dogs) Eosinophilia in dogs publications] |
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| [http://www.cabdirect.org/search.html?q=title:(Eosinophilia)+AND+od:(horses) Eosinophilia in horses publications] | | [http://www.cabdirect.org/search.html?q=title:(Eosinophilia)+AND+od:(horses) Eosinophilia in horses publications] |
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| [[Category:Haematology Changes]][[Category:Expert Review]] | | [[Category:Haematology Changes]][[Category:Expert Review]] |