Your pituitary is a small gland at the base of your brain. Pituitary disorders develop because of problems with your pituitary gland. A growth (tumor) in or near the pituitary often causes these ...

May 28, 2004 — The size of a pituitary tumor does not predict headache symptoms, according to the results of a prospective study published in the May issue of the Archives of Neurology. Rather, ...