Ectopic ACTH syndrome

Ectopic ACTH syndrome

Ectopic ACTH syndrome	Due to the short time course, patients may present with pigmentation and electrolyte abnormalities, rather than with classical Cushingoid features. Electrolytes; cortisol (free) - urine ; ACTH . Dexamethasone suppression test (long) if diagnosis uncertain.
Lung carcinoma esp Small cell carcinoma
Carcinoid tumour
Pancreatic islet cell tumour	See under Pancreatic neoplasm .