Endocrine Abstracts

Background: The so-called silent pituitary adenomas are a subtype of pituitary tumors showing positive immunoreactivity for one or more pituitary hormones, but without any clinical manifestations for oversecretion of these hormones. They are clinically labeled as non-functional pituitary adenomas (NFPA), some of them with particularly aggressive behavior. Rare patients might present with big plurihormonal pituitary tumors which ‘whisper’ hormones (GH or ACTH) and pro...