What is it?
Adrenal glands are hormone producing glands located on top of each kidney. An Adrenal incidentaloma is an asymptomatic adrenal mass (≥1 cm in diameter) that is detected on imaging performed for indications other than evaluation for adrenal disease.
What are the causes?
What are the signs and symptoms?
Most of the patients with adrenal incidentaloma may not have any symptoms. These are called non-functional adenomas. In some cases, the adrenal mass produces high levels of hormones called epinephrine, cortisol or aldosterone. These tumors are called functional adenomas.
Symptoms will depend on the type of excess hormones that the adrenal mass is producing.
How is it assessed?
This condition may be evaluated based on:
How is it treated?
Treatment depends on the type of the adrenal mass.
 Young WF Jr. The incidentally discovered adrenal mass. N Engl J Med 2007; 356:601-10
 Hormone Health Network. “Adrenal Incidentaloma, Hormone Health Network”. Hormone.org Endocrine Society, 30 July 2021. https:www.hormone.org/diseases-and-conditions/adrenal-incidentaloma
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 N Engl J Med 2019; 381:552-565