Young, previously healthy male with normal growth presenting with two syncopal episodes. Currently, only symptom is mild fatigue. Labs showed: Cortisol undetectable with ACTH 6-8, cortisol levels did not rise with cosyntropin but aldosterone stimulated normally, low IGF1, mildly elevated prolactin, elevated TSH and low free T4 (normalized later). CBG wnl and opiate/steroid assay were negative. MRI with small pituitary. Some of my colleagues think it is interference or assay issue, others think this is true central AI.
Thank you so much. No exogenous steroid use and le...
Very strange to see such a high T level. I wonder ...
Hi, thanks for the info. I was not aware that macr...