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In most affected cats, the cause is a pituitary tumor, although an overactive pituitary gland or a tumor of the adrenal gland itself are also possible causes. Cats with Cushing disease are generally middle-aged or older. The most common signs include excessive thirst, increased urination, and increased appetite.
Pituitary macroadenomas are large, non-cancerous (benign) tumors of the pituitary gland. These tumors may be functional (hormone-secreting) or nonfunctional, and their effects depend on whether the tumor is producing hormones.
1 kwi 2021 · The aim of this review was to provide an overview of the different pituitary tumour types in dogs and cats that have been reported in the literature. In dogs, the most common pituitary tumour type is the corticotroph adenoma, which can cause pituitary-dependent hypercortisolism.
29 cze 2024 · Pituitary tumor symptoms may be caused by a tumor putting pressure on the brain or on other parts of the body nearby. Symptoms also can be caused by a hormone imbalance. Hormone levels can rise when a pituitary tumor makes too much of one or more hormones.
11 sie 2024 · The condition is very rare in cats and can be caused by a pituitary tumor causing increased production of adrenocorticotropic hormone (ACTH) that stimulates the adrenal glands to produce cortisol. Cushing’s disease can also develop due to malfunctioning adrenal glands or from steroid use.
The 10 chapters in the first section review the historical, anatomical, physiological, epidemiologic, experimental, and pathological aspects of pituitary tumors. The second section concentrates on the clinical, radiological, and neuro-ophthalmologic diagnosis of these tumors.
29 cze 2024 · Mayo Clinic's neuroradiologists are experienced in performing inferior petrosal sinus sampling to help find and identify pituitary tumors. This test involves taking a sample from the veins where the pituitary gland drains hormones into the bloodstream.