What is the global prevalence of prolactinomas?

Updated: Mar 25, 2018
  • Author: Venkatesh Babu Segu, MD, MBBS, DM; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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In a study of 81,449 inhabitants of Banbury, Oxfordshire, in the United Kingdom, Fernandez et al determined the incidence of pituitary adenomas there to be 77.6 cases per 100,000 population, with the majority of cases (57%, or 44.4 persons per 100,000 population) being prolactinomas. [16] It was also determined that prolactinomas accounted for most pituitary adenomas in persons up to age 60 years, the incidence being 75% of pituitary adenomas occurring in persons up to age 20 years, and 61% of pituitary adenomas in persons between the ages of 20 and 60 years. Moreover, prolactinomas accounted for 76% of pituitary adenomas in females, although in males, the majority of pituitary adenomas (57%) were nonfunctioning lesions.

The incidences of nonprolactinoma pituitary adenomas were as follows: nonfunctioning pituitary adenomas, 28%; adenomas associated with acromegaly, 11%; corticotroph adenomas, 2%; and adenomas of unknown functional status, 2%.

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