Table 6.3-2. Functioning pituitary adenomas

Type of adenoma

Hormone secreted

Prolactinoma

PRL

Corticotropinoma

ACTH

Somatotropinoma

GH

Thyrotropinoma

TSH (exceedingly rare)

Gonadotropinoma

FSH, LH (rarely functional)

ACTH, adrenocorticotropic hormone; FSH, follicle-stimulating hormone; GH, growth hormone; LH, luteinizing hormone; PRL, prolactin; TSH, thyroid-stimulating hormone.