prolactinoma


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prolactinoma

 [pro-lak″tĭ-no´mah]
a pituitary adenoma made up of lactotrophs that secretes excessive amounts of prolactin; this may delay puberty in either sex, cause galactorrhea-amenorrhea syndrome in women, or decrease libido and fertility in men. Called also prolactin cell or prolactin-secreting adenoma and lactotrope or lactotroph adenoma.

pro·lac·tin-·pro·duc·ing ad·e·no·ma

a pituitary adenoma composed of prolactin-producing cells; it gives rise to symptoms of nonpuerperal amenorrhea and galactorrhea (Forbes-Albright syndrome) in women and to impotence in men.
Synonym(s): prolactinoma

prolactinoma

/pro·lac·ti·no·ma/ (-lak″tĭ-no´mah) a pituitary adenoma that secretes prolactin.

prolactinoma

Endocrinology A pituitary tumor more common in Pts < age 40 characterized by an excess secretion of prolactin–tumor size correlates with the prolactin level; smaller tumors, microprolactinomas, are more common in ♀; macroprolactinomas are more common in ♂ and associated with sexual dysfunction; women may become symptomatic while on OCs; menses may stop when OCs are discontinued; prolactinomas may grow during pregnancy and be diagnosed postdelivery. See Prolactin.

pro·lac·tin-pro·duc·ing ad·e·no·ma

(prō-lak'tin-prŏ-dūs'ing ad'ĕ-nō'mă)
A pituitary adenoma composed of prolactin-producing cells; it gives rise to symptoms of nonpuerperal amenorrhea and galactorrhea (Forbes-Albright syndrome) in women and to impotence in men.
Synonym(s): prolactinoma.

prolactinoma

A benign tumour of the PITUITARY GLAND that secretes large quantities of the hormone PROLACTIN. The tumour can cause blindness by pressing on the OPTIC CHIASMA and may be suspected because of unexpected milk production (lactation). Treatment is by surgery or by drugs.

prolactinoma (prōˈ·lak·t·nōˑ·m),

n a noncancerous tumor of the pituitary gland, most often in women, that leads to excess production of prolactin, the hormone responsible for modulating lactation. Also called
secreting adenoma.
References in periodicals archive ?
Reduced ECAD expression has been described in prolactinomas and is inversely associated with tumor size and invasion (21,25).
Prolactin modulates the disease activity of systemic lupus erythematosus accompanied by prolactinoma.
Caracteristicas clinicas e presencia de prolactinoma em mulheres com hiperprolactinemia
The patient was subsequently taken to the operating room for a second transsphenoidal excision of the presumed recurrence of pituitary prolactinoma.
Menstrual disorders and infertility in women with prolactinoma are often diagnosed earlier (Di Luigi, 2003).
Prolactinomas resistant to standard doses of cabergoline: a multicenter study of 92 patients.
Vitex agnus castus might enrich the pharmacological armamentarium for medical treatment of prolactinoma.
Carolyne was told she would have to stay in hospital and faced a long, complex operation where surgeons planned to remove the entire growth, known as a prolactinoma.
En los casos de hiperplasia hipofisaria, el diagnostico diferencial debe establecerse con prolactinoma o los raros adenomas productores de TSH (5,6).
KEY WORDS: bisphenol S, ER [alpha], ERK activation, JNK activation, membrane estrogen receptors, nongenomic effects, prolactinoma cell line, xenoestrogens.
These patients should also undergo measurement of serum prolactin to check for possible prolactinoma (Carter et al.
It sounds like she has a pituitary prolactinoma, a hormone-secreting tumour and, if it is small on the MRI scan, the easiest way to treat it is with medicines that block the effects of the prolactin.