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A prolactinoma is a tumor of the pituitary gland that produces too much of the hormone prolactin. High prolactin levels can cause women to have irregular or absent periods, infertility, or abnormal breast milk production. In men, high prolactin levels cause low testosterone which leads to fatigue, decreased muscle strength, low libido, erectile dysfuntion, and infertility. Read more about Prolactinoma and Hyperprolactinemia.
Cushing's Disease is a hormonal disorder caused by a tumor of the pituitary gland. The tumor makes too much of a hormone called ACTH (adrenocorticotropic hormone). ACTH causes an increase in the stress hormone cortisol. Cortisol is a hormone that regulates blood pressure, blood sugar, and the immune system. Read more about Cushing's Disease.
Acromegaly is caused by a tumor in the pituitary gland that makes too much growth hormone. Common symptoms of acromegaly are abnormal growth of the hands and feet, joint pain, face changes (enlarging forehead, nose, tongue, lips, widened space between teeth, and underbite), carpal tunnel syndrome, sleep apnea, diabetes, high blood pressure. Read more about Acromegaly.
Adrenal glands are located above the kidneys. These glands produce multiple hormones. If you have adrenal insufficiency because of a pituitary problem, your adrenal glands are not producing enough cortisol. Read more about adrenal insufficiency.
Growth Hormone Deficiency
Growth hormone is a hormone made by the pituitary gland. It is made in large amounts when you are a child to stimulate your bones to lengthen. After you finish puberty, your legs and arms do not grow longer. But growth hormone continues to be made throughout life to keep bones and muscles strong and to decrease abdominal fat. People with a history of a pituitary disorder or brain radiation may not make enough growth hormone. Read more about GHD.
Craniopharyngiomas are tumors that grow near the pituitary gland. These tumors cause problems by pushing on the nerves to the eyes which leads to decreased vision and disrupting the normal activity of the pituitary gland. Read more about Craniopharyngioma.