Endocrine Abstracts

Background: Pituitary stalk compression by sellar/parasellar tumours [commonly non-functioning pituitary adenomas (NFA) or craniopharyngiomas (CR)] is one of the causes of hyperprolactinaemia. However, in such cases the upper limits of serum prolactin (PRL) are not clearly defined ('grey zone': 3000-6000 mU/L) causing confusion in the differential diagnosis between disconnection hyperprolactinaemia and prolactin-secreting adenomas.Objective: To investiga...