Resistance to dopamine agonists occurs in a subset of patients with prolactin-secreting pituitary tumors. The resistance is mediated by loss of pituitary D 2 receptors and occurs in both ...

Pituitary tumors are abnormal growths within the pituitary ... producing tumors to help control hormone levels. For instance, ...

Among these are dopamine agonists and somatostatin analogs. While one would hope that the ACTH modulators would reduce tumor volume (of particular concern in patients with pituitary macroadenomas ...

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 ...

These medications either interfere with dopamine, the hormone that inhibits ... is part of your body’s neuroendocrine system. Tumors in the pituitary gland can cause elevated levels of prolactin ...

we offer comprehensive and expert care for all pituitary-related disorders, including all tumors of the pituitary and sellar region. Pituitary disorders are often complex, and successful diagnosis and ...

Bromocriptine activates post-synaptic dopamine receptors. The dopaminergic neurons in the tuberoinfundibular process modulate the secretion of prolactin from the anterior pituitary by secreting a ...