A 35- year old woman notices a milky discharge from both nipples. She underwent a bilateral tubal ligation after the birth of her last child, and a pregnancy test is negative. She has not had a menstrual period for the last 8 months. She complains of intermittent headaches and some difficulty with her peripheral vision. What is the most likely diagnosis?
Most likely diagnosis is Prolactin adenoma.
Diagnostic tests are basal prolactin levels and MRI scan of pituitary with gadolinium or CT imaging