Macroprolactinoma is a type of pituitary tumor that leads to excess production of the hormone prolactin. This type of tumor is larger than a microprolactinoma but smaller than a giant prolactinoma.

Currently, therapeutic management of hyperprolactinemia relies on dopamine agonists, since dopamine is the primary physiological suppressor of pituitary prolactin production. Epidemiologic studies ...

Diagnosis Hyperthyroidism caused by a mixed pituitary adenoma that secretes prolactin and TSH. Management Trans-sphenoidal resection of the pituitary tumor. After surgery, T 3 suppression test ...

Headache is common among patients diagnosed with pituitary adenoma (PA). There are still controversies regarding the headache presentation, pathophysiology and outcome after treatment in these ...

Pituitary gland problems ... When your thyroid hormone levels are low, your body may make more prolactin — the hormone that helps with making breast milk (lactation). High levels can interfere ...

Briefly, a patient with autoimmune diabetes was diagnosed with a pituitary prolactinoma, resulting in treatment with cabergoline, an agonist of DA D 2-like receptors, alongside preexisting diabetes ...

The serum cortisol, growth hormone, insulin like growth factor-1, thyroid function, and prolactin levels were all within the ... In view of the clinical history and the fact that her pituitary and ...

Growth hormone (GH) is a pituitary hormone secreted from birth to death ... the fact that these mice also lack prolactin and TSH limits this conclusion. The GHR knockout mice (GHR-/-) are long-lived, ...

The high TRH levels trigger the pituitary gland (a pea-sized organ located at the base of the brain) to release prolactin. Since a lack of thyroid hormone can prevent ovulation, having thyroid ...

Hormone-induced ED. Hormonal abnormalities, such as increased prolactin (a hormone produced by the anterior pituitary gland), steroid abuse by bodybuilders, too much or too little thyroid hormone, and ...

Whether dopamine-agonist withdrawal is associated with re-expansion of the tumor in patients who experience incomplete prolactin suppression with use of these drugs is not known. As most tumors ...

Nat Clin Pract Endocrinol Metab. 2008;4(12):683-694. Pituitary tumor apoplexy often occurs in patients with untreated pituitary adenomas or after stimulation tests with hypothalamic hormones ...