What is the prevalence of prolactinomas in the US?

Updated: Mar 25, 2018
  • Author: Venkatesh Babu Segu, MD, MBBS, DM; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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United States

The exact frequency with which prolactinomas occur in the general population is not clearly established. In nonselected surgical series, this tumor accounts for approximately 25-30% of all pituitary adenomas. Some growth hormone (GH) – producing tumors also cosecrete PRL. Microprolactinomas are much more common than macroprolactinomas.

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