Difference between revisions of "Eosinopenia"
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| − | Eosinopaenia refers to a reduction in the normal number of circulating blood [[Eosinophil|eosinophils]]. It ocurs most commonly as part of a | + | ==Description== |
| + | Eosinopaenia refers to a reduction in the normal number of circulating blood [[Eosinophil|eosinophils]]. It ocurs most commonly as part of a stress leucocgram and in other situations that result in an increase in the circulating concentration of glucocorticoids: | ||
*'''Stress leucogram''', with which [[Neutrophilia|neutrophilia]], [[Monocytosis|monocytosis]] and [[Lymphopenia|lymphopaenia]] would also be expected. | *'''Stress leucogram''', with which [[Neutrophilia|neutrophilia]], [[Monocytosis|monocytosis]] and [[Lymphopenia|lymphopaenia]] would also be expected. | ||
| − | *''' | + | *'''Hyperadrenocorticism''' (Cushing's disease) results in a similar pattern due to an increase in endogenous glucocorticoids. |
*'''Iatrogenic hyperadrenocorticism''' caused by the administration of corticosteroids, even with the use of topical otic or ophthalmic preparations. | *'''Iatrogenic hyperadrenocorticism''' caused by the administration of corticosteroids, even with the use of topical otic or ophthalmic preparations. | ||
| + | Corticosteroids are thought to exert a depressive effect on lymphocytes that usually stimulate eosinophil production. | ||
| − | + | [[Category:Haematology Changes]][[Category:To Do - James]] | |
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| − | [[Category:Haematology Changes]][[Category: | ||
Revision as of 10:42, 20 August 2010
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This article is still under construction. |
Description
Eosinopaenia refers to a reduction in the normal number of circulating blood eosinophils. It ocurs most commonly as part of a stress leucocgram and in other situations that result in an increase in the circulating concentration of glucocorticoids:
- Stress leucogram, with which neutrophilia, monocytosis and lymphopaenia would also be expected.
- Hyperadrenocorticism (Cushing's disease) results in a similar pattern due to an increase in endogenous glucocorticoids.
- Iatrogenic hyperadrenocorticism caused by the administration of corticosteroids, even with the use of topical otic or ophthalmic preparations.
Corticosteroids are thought to exert a depressive effect on lymphocytes that usually stimulate eosinophil production.