<prompt> A lady with amenorrhea and galactorrhea, what is the cause of this?Pituitary adenomaAdrenal hyperplasia70 alpha hydroxylase deficiencyNone of above  <response>: In patients with both galactorrhea and amenorrhea, approximately two-thirds will have hyperprolactinemia; of those, approximately one-third will have a pituitary adenoma. A prolactin level as high as 150-200 ngmL is almost always due to a pituitary adenoma. 