Severe ectopic Cushing’s syndrome

Abstract

We present a rare case of severe ectopic Cushing’s syndrome in a 39-year-old woman with a rapid onset of signs and symptoms and severe hypokalemia. Further workup demonstrated an adrenocorticotropic hormone–secreting metastatic high-grade neuroendocrine carcinoma.

Keywords:

• Hypokalemia
• inferior petrosal sinus sampling
• severe ectopic Cushing’s syndrome
• steroidogenesis inhibitors