Question: What percentage of patients with Cushing’s syndrome resulting from an adrenal tumor recover full use of their atrophied adrenal after a unilateral adrenalectomy? How long does this process take?   

Answer: The majority of patients who have undergone a unilateral adrenalectomy recover adrenal function within 1 to 2 years following surgery.

By Dr. Beverly MK. Biller (Spring 1995)