An incidentally discovered case of Cushing's syndrome without clinical signs.

@article{Inoue1988AnID,
  title={An incidentally discovered case of Cushing's syndrome without clinical signs.},
  author={Jun Inoue and Toshinobu Sato and Shigeko Ooishi and Taisuke Iwaoka and Makoto Oono and Tomofumi Umeda},
  journal={Endocrinologia japonica},
  year={1988},
  volume={35 3},
  pages={371-8}
}
This paper describes a middle-aged man in whom an adrenal mass was incidentally discovered by upper abdominal echogram. Physical examination revealed no signs of Cushing's syndrome. The plasma cortisol level at 0800 h was within the normal range, but the diurnal rhythm had disappeared. Plasma ACTH was undetectable throughout the whole day. Urinary 17-OHCS was slightly increased and was not suppressed by 2 mg or 8 mg dexamethasone. Metyrapone test and CRF test revealed no response. A left… CONTINUE READING