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Pituitary apoplexy is bleeding into or impaired blood supply of the pituitary gland. This usually occurs in the presence of a tumor of the pituitary, although in 80% of cases this has not been diagnosed previously. The most common initial symptom is a sudden headache, often associated with a rapidly worsening visual field defect or double ...
Sufficiently low production of certain pituitary hormones can be fatal resulting in the failure of the thyroid or adrenal glands. [citation needed] Common symptoms include nausea, vomiting, fatigue, loss of libido, amenorrhea, and dizziness. [1] It is estimated that, typically, it takes from 12 to 40 years for autoimmune destruction to present ...
Acromegaly is usually caused by the pituitary gland producing excess growth hormone. In more than 95% of cases the excess production is due to a benign tumor, known as a pituitary adenoma. The condition is not inherited. Acromegaly is rarely due to a tumor in another part of the body. Diagnosis is by measuring growth hormone after a person has ...
Rarely, "high cortisol levels can result from abnormal growths in the pituitary glands, which stimulate cortisol production, or adrenal gland disorders that cause excess cortisol release," says ...
Cushing's disease is one cause of Cushing's syndrome characterised by increased secretion of adrenocorticotropic hormone (ACTH) from the anterior pituitary (secondary hypercortisolism). This is most often as a result of a pituitary adenoma (specifically pituitary basophilism) or due to excess production of hypothalamus CRH (corticotropin ...
In response, the pituitary gland secretes vasopressin, ... Symptoms of hyponatremia include nausea, vomiting, headaches, loss of appetite, balance problems, mental changes, and, in severe cases ...
Hypophysitis, inflammation of the pituitary gland.; Autoimmune hypophysitis (or lymphocytic hypophysitis), inflammation of the pituitary gland due to autoimmunity.; Nelson's syndrome, may occur after surgical removal of both adrenal glands, an out-dated method of treating Cushing's disease.
The pituitary gland or hypophysis is an endocrine gland in vertebrates. In humans , the pituitary gland is located at the base of the brain , protruding off the bottom of the hypothalamus . The human pituitary gland is oval shaped , about 1 cm in diameter, 0.5–1 gram (0.018–0.035 oz) in weight on average, and about the size of a kidney bean .