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Pituitary pars intermedia dysfunction (PPID), or equine Cushing's disease, is an endocrine disease affecting the pituitary gland of horses. It is most commonly seen in older animals, [ 1 ] and is classically associated with the formation of a long, wavy coat ( hirsutism ) and chronic laminitis .
[1] [11] [12] Horses with persistent hyperglycemia may have type II diabetes. [ 13 ] Insulin normally increases after feeding, as well as secondary to cortisol (stress) and epinephrine (pain), so measurement should be avoided if any of these conditions are present.
The biopsy is stained for glycogen, and the intensity of stain uptake in the muscle, as well as the presence of any inclusions, helps to determine the diagnosis of PSSM. This test is the only method for diagnosing Type 2 PSSM. Horses with Type 1 PSSM will usually have between 1.5-2 times the normal levels of glycogen in their skeletal muscle. [10]
Cushing's syndrome is a collection of signs and symptoms due to prolonged exposure to glucocorticoids such as cortisol. [4] [9] [10] Signs and symptoms may include high blood pressure, abdominal obesity but with thin arms and legs, reddish stretch marks, a round red face due to facial plethora, [11] a fat lump between the shoulders, weak muscles, weak bones, acne, and fragile skin that heals ...
The symptoms of Cushing's in cats is similar to that of dogs. [8] For cats the most common reason for referral resulting in a diagnosis is diabetes mellitus. Abnormal dermatological findings were the most common reason for referral after physical examination in cats. [9] 80% of cats with Cushing's develop diabetes mellitus compared to 10% of ...
Moon face is often associated with Cushing's syndrome [5] [6] or steroid treatment (especially corticosteroids), which has led to it being known as Cushingoid facies. [7]Moon face is a type of corticosteroid-induced lipodystrophy along with "buffalo hump", which in one study occurred in 47% of the 820 patients.
Lameness is an abnormal gait or stance of an animal that is the result of dysfunction of the locomotor system.In the horse, it is most commonly caused by pain, but can be due to neurologic or mechanical dysfunction.
Equine multinodular pulmonary fibrosis is a chronic lung disease of horses. There is evidence that the disease is caused by infection with a gammaherpesvirus, equine herpesvirus 5. The disease affects usually adult horses reducing the ability to exercise as a result of the formation of nodular lesions in the lungs. [1]