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Department of Surgery

Department of Surgery

Adrenal

Endocrine Surgery

Appointments and Referrals

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Contact our Physician Referral Center to initiate a referral on behalf of your patient or to request a physician-to-physician phone consultation.

(800) 4-UCDAVIS (800-482-3284),
choose option 2

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What is the adrenal gland?

You have two adrenal glands. They rest in the back of your abdomen just above your kidneys. The adrenal glands are responsible for producing several hormones that help regulate many things in your body. The outside layer of you adrenal glands (called the cortex) makes three main hormones:

  1. cortisol – which regulates your response to stress
  2. aldosterone – which helps control you blood pressure
  3. androgens and estrogens – which control your reproductive organs

The inside of your adrenal glands (called the medulla) makes catecholeamines (epinephrine, norepinephrine and dopamine). These hormones are frequently referred to as "adrenaline" and mediate your "flight or fight" response. Tumors of the adrenal gland frequently produce one of the above hormones.

My doctor told me I need to have one adrenal gland removed. Can I survive with only one adrenal gland?

Yes. Only one (and sometimes even a portion of one) adrenal gland is necessary to function normally.

What is a pheochromocytoma?

A pheochromocytoma is a tumor of the adrenal gland that produces catecholamines (too much adrenaline). Historically patients with pheochromocytomas would have symptoms of headaches, sweating and heart palpitations, but in modern times, these tumors are frequently found incidentally on a CT scan done for something else. Many times patients are totally asymptomatic.

What is an adrenal incidentaloma?

An adrenal incidentaloma is an adrenal tumor that is found during a CT, MRI or ultrasound being done for an unrelated reason. Adrenal incidentalomas occur in about 1-7% of patients and are more common as we get older. Most adrenal incidentalomas are benign, but they must be evaluated by an experience physician to see if they are secreting hormones or potentially a cancer.

What is Cushing's syndrome?

Cushing's syndrome means you have too much of the hormone cortisol in your blood. Cortisol is important in your response to stress and plays a role regulating your blood sugars, immune response, mood and weight. Patients with Cushing's syndrome frequently present with weight gain, easy bruising, high blood pressure, diabetes, weakness, mood changes and changes in their appearance such a "moon face" or "buffalo hump." There are many causes of Cushing's syndrome, but sometimes it is caused by a tumor in the adrenal gland. Some patients are noted to have an elevated cortisol level without symptoms of Cushing's syndrome. We call this sub-clinical Cushing's syndrome.

What is an aldosteronoma?

Aldosterone is a hormone produced by your adrenal glands that helps regulate your blood pressure. Small tumors of the adrenal gland can produce too much of this hormone leading to high blood pressure. These tumors are called aldosteronomas.

What is adrenal cancer? My doctor told me I have an adrenal tumor. Does this mean I have a cancer?

Adrenal cortical cancers are fairly uncommon. About 10% of incidentally discovered adrenal tumors are adrenal cancer. Most incidentally discovered adrenal tumors are not cancer, but they still may produce hormones that affect your blood pressure, mood, weight, etc. Other cancers can spread to the adrenal glands. We call these metastases. It is unusual for an adrenal tumor to be the first finding of a cancer from some other location.

How are adrenal tumors removed?

Adrenal tumors are usually removed with a minimally invasive surgery called a laparoscopic adrenalectomy. When you remove an adrenal tumor you remove the associated adrenal gland with it. Your body does fine using your other adrenal gland to secrete the hormones necessary for your daily living.