Prolactinoma overview: Difference between revisions
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==Overview== | |||
A '''prolactinoma''' is a [[benign]] [[tumor]] ([[adenoma]]) of the '''[[pituitary gland]]''' that produces a [[hormone]] called [[prolactin]]. It is the most common type of [[pituitary tumor]]. Symptoms of prolactinoma are caused by too much prolactin in the blood ([[hyperprolactinemia]]) or by pressure of the tumor on surrounding tissues. | A '''prolactinoma''' is a [[benign]] [[tumor]] ([[adenoma]]) of the '''[[pituitary gland]]''' that produces a [[hormone]] called [[prolactin]]. It is the most common type of [[pituitary tumor]]. Symptoms of prolactinoma are caused by too much prolactin in the blood ([[hyperprolactinemia]]) or by pressure of the tumor on surrounding tissues. | ||
Revision as of 19:15, 21 January 2012
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Prolactinoma overview On the Web |
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Overview
A prolactinoma is a benign tumor (adenoma) of the pituitary gland that produces a hormone called prolactin. It is the most common type of pituitary tumor. Symptoms of prolactinoma are caused by too much prolactin in the blood (hyperprolactinemia) or by pressure of the tumor on surrounding tissues.
Prolactin stimulates the breast to produce milk during pregnancy. After delivery of the baby, a mother's prolactin levels fall unless she breast feeds her infant. Each time the baby nurses, prolactin levels rise to maintain milk production.
Based on size, a prolactinoma can be classified as a microprolactinoma (<10 mm diameter) or macroprolactinoma (>10 mm diameter).
References
Adapted from Prolactinoma. U. S. National Institutes of Health Publication No. 02-3924 June 2002. Public Domain Source