[Disappearance of the radiographic image of a macroprolactinoma after treatment with bromocriptine].

A young woman with amenorrhea-galactorrhea induced by a prolactin (PRL) secreting pituitary macroadenoma, was treated with bromocriptine 5 mg/day per os. Serum PRL levels were normal at 6 weeks and menstruation appeared at 8 weeks of treatment. When twenty months of treatment were completed, a tomographic study of the pituitary was unable to show any enlargement. Controversies related to macroprolactinomas treatment are discussed and it is suggested that treatment with dopamine agonists must be the elective treatment for patients with macroprolactinoma.