Gynecology

Question:

A 32 year old G0 presents to your office complaining of bilateral nipple discharge over the past two months. Your physical examination demonstrates a brownish discharge from both breasts. The remainder of your examination is normal. The most common cause of nipple discharge in nonlactating women is:

intraductal papilloma
carcinoma
prolactinoma
hypothyroidism
fibrocystic change with ectasia of the ducts