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 ...

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 ...

independent of tumor size or drug resistance or intolerance,” declare Masami Ono and Nobuhiro Miki, two of the investigators involved in this prospective study. Prolactinoma is the underlying ...

Medically reviewed by Layan Alrahmani, MD Galactorrhea is when your breasts produce milk or a milk-like substance when you are not pregnant or breastfeeding a baby. It occurs when you have too much of ...

For example, magnetic resonance imaging (MRI) scans can determine if you have a benign pituitary tumor that may be causing ...

A 40-year-old woman presented in 2006 with a 15-year history of bilateral galactorrhea. She has never been pregnant and had initially presented at the age of 25 years with menometrorraghia ...