In a chronic smoker which hemoptysis, he also gave a history of hypeension and obesity. Lab data showed raised ACTH levels, which are not suppressed by dexamethasone. The cause of Cushing's syndrome in the patient is -
- History of chronic smoking and hemoptysis along with raised ACTH levels not suppressible by dexamethasone points to ectopic ACTH producing small cell carcinoma of lung.
MEN1
Pituitary adenoma
Adrenal coical adenoma
Ectopic ACTH secreting tumor
Adrenal Gland