A member asked:

Extremely high cortisol (48), low acth, and cushing's symptoms, but no adrenal mass found on ct. if not adrenal, what can this be?

A doctor has provided 1 answer
Dr. Steven Chmielewski answered

Specializes in Diagnostic Radiology

Other causes: Of cushing syndrome are pituitary tumors (cushing's disease), pancreatic islet cell tumors, exogenous steroid use (most common) and other tumors that are derived from nerve/endocrine cells. Sometimes a very small, active adrenal adenoma is not seen on ct, MRI may be better.

Answered 3/12/2020

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