epidemiology

Last reviewed 01/2018

Pituitary tumours have a prevalence of 200 per million and an incidence of 15 new patients/million/year.

The relative frequency of the different tumour types is given below:

• prolactinoma 50-55%
• non-secreting 20-25%
• somatotroph 20-23%
• corticotroph 5-8%
• gonadotroph < 5%
• thyrotroph < 1%