A pituitary tumor that causes excess secretion of the hormone prolactin . Smaller tumors, called microprolactinomas are more common in women, and larger tumors, called macroprolactinomas, are more common in men. Many of the smaller tumors do not appear to progress to larger tumors. Many women first experience symptoms while on oral contraceptives or have cessation of menses when oral contraceptives are discontinued. Prolactinomas may grow during pregnancy and may be diagnosed in the postpartum period.
Sexual dysfunction occurs in many men.
Prolactinomas occur most commonly in those under 40 years old. The incidence is 3 out of 10,000 men and 1 out of 1,000 women. The information provided herein should not be used for diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Inc. Any duplication or distribution of the information contained herein is strictly prohibited.