Prolactinoma, also known as prolactin-secreting pituitary adenoma, is related to prolactin producing pituitary tumor and pituitary adenoma 1, multiple types. An important gene associated with Prolactinoma is MEN1 (Menin 1), and among its related pathways/superpathways are GPCR downstream signalling and Signal Transduction. The drugs Dopamine and Cabergoline have been mentioned in the context of this disorder. Affiliated tissues include pituitary and breast, and related phenotypes are hypogonadotropic hypogonadism and abnormality of the menstrual cycle