in 13 patients with invasive pituitary adenomas submitted to pituitary surgery ( 5 hgh-secreting adenomas , 6 prolactin-secreting adenomas , 2 non-secreting adenomas ) , the concentrations of hgh and prolactin ( prl ) constantly decreased after operation both in the cerebrospinal fluid ( csf ) and serum , and the csf/serum ratio remained under one , with few exceptions .
C0033375
prolactin-secreting adenomas
C0001430
adenomas