Changes

Also known as: '''''PPID — Equine Cushing's Disease — Equine Cushing's-like Disease — Equine Cushings Syndrome — Pituitary-dependent Hyperadrenocorticism — Pituitary Adenoma'''''

Also known as: '''''PPID — EPPID — Equine Cushing's Disease — Equine Cushing's-like Disease — Equine Cushings Syndrome — Pituitary-dependent Hyperadrenocorticism — Pituitary Adenoma'''''

==Introduction==

==Introduction==

==Diagnosis==

==Diagnosis==

'''Plasma cortisol concentration''' can be measures but there is a wide variation in normal values and it is not useful in diagnosing the condition.

'''Plasma cortisol concentration''' can be measured but there is a wide variation in normal values and it is not useful in diagnosing the condition.

'''The dexamethasone suppression test''' is the gold standard for diagnosis of the disease. Plasma cortisol samples are taken before and after dexamethasone administration. Normal horses will show a level of cortisol below 1 μg/dL 19 hours after dexamethasone administration, whereas affected horses will show a small degree of suppression in cortisol levels, but not to the level of normal horses, and levels also rebound more quickly.

'''The dexamethasone suppression test''' is the gold standard for diagnosis of the disease. Plasma cortisol samples are taken before and after dexamethasone administration. Normal horses will show a level of cortisol below 1 μg/dL 19 hours after dexamethasone administration, whereas affected horses will show a small degree of suppression in cortisol levels, but not to the level of normal horses, and levels also rebound more quickly.

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[[Category:Endocrine Diseases - Horse]]

[[Category:Endocrine Diseases - Horse]]

[[Category:Expert Review - Horse]]

[[Category:Expert Review - Horse]]