Definition Pituitary tumor: an abnormal growth in the pituitary gland, the part of the brain that regulates the body’s balance of hormones. Clinical Signs This medication guide provides information about the Parlodel brand of bromocriptine. Cycloset is another brand of bromocriptine that is not covered in this medication guide. Learn about prolactinoma (pituitary tumor). Symptoms in women include infertility, menstruation changes, decreased libido and painful intercourse. The primary symptom in men is impotence (erectile dysfunction). Learn about pituitary tumor surgery, symptoms, and treatment. The pituitary is a small gland attached to the base of the brain (behind the nose) in an area called the pituitary fossa or sella turcica. The pituitary is often called the master gland because it controls the secretion of most of the hormones in the body. PATIENT INFORMATION • ACROMEGALY 4 5 Compression by the Pituitary Tumor A growing pituitary tumor can cause pressure on surrounding brain tissues This site uses cookies. By continuing to browse this site you are agreeing to our use of cookies. Brain Tumor Types. Each year, more than 100,000 Americans are told they have a brain tumor. It is not clear why many of these tumors occur. Those that originate in the brain, primary brain tumors, may be due to genetic or environmental factors. Drowsiness warning: While taking bromocriptine, you may have sudden drowsiness, or fall asleep without warning. Avoid driving or using machinery until you know how this drug affects you. Why are prolacting levels still elevated eventhough Pituitary Tumor is not present? Pituitary Tumors. Alternative names: Pituitary Adenoma, Pituitary Carcinoma. What are pituitary tumors? What are the signs of a pituitary tumor? What causes pituitary tumors?.