on the basis of preoperative serum prolactin values in these patients , we concluded that moderately increased values ( 30 to 200 ng/ml ) of serum prolactin are not a reliable guide for determining whether a prolactin-producing pituitary adenoma is present , whereas levels exceeding 200 ng/ml are usually associated with a prolactin-secreting tumor .
C0033371
prolactin
C1327616
secreting