it is concluded 1 ) that even in hypophysectomized normoprolactinemic patients the circulating prl may originate mainly from the residual tumor cells , and 2 ) that the sulpiride test is useful to detect the abnormalities of hypothalamo-pituitary axis in operated patients with prl-secreting adenomas , whereas trh , arginine , and l-dopa tests are less useful for such purposes .
C0007634
cells
C1327616
secreting