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 Adrenal Gland Disorders
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What are adrenal gland disorders?

Adrenal gland disorders occur when the adrenal glands don’t work properly.  Sometimes, the cause is a problem in another gland that helps to regulate the adrenal gland.  In other cases, the adrenal gland itself may have the problem.  The NICHD conducts and supports research on many adrenal gland disorders.  Some examples include:

Cushing's Syndrome

Cushing’s syndrome happens when a person’s body is exposed to too much of the hormone cortisol. In this syndrome, a person’s body makes more cortisol than it needs. For example, adrenal tumors can cause the body to produce too much cortisol. In some cases, children are born with a form of adrenal hyperplasia that leads to Cushing syndrome. Or, in some cases, certain medications can cause the body to make too much cortisol

Congenital Adrenal Hyperplasia

Congenital adrenal hyperplasia is a genetic disorder of adrenal gland deficiency.  In this disorder, the body doesn’t make enough of the hormone cortisol. The bodies of people with congenital adrenal hyperplasia may also have other hormone imbalances, such as not making enough aldosterone, but making too much androgen.

Pituitary Tumors

The pituitary gland is located in the brain and helps to regulate the activity of most other glands in the body, including the adrenal glands. In rare cases, benign (non-cancerous) tumors may grow on the pituitary gland, which may restrict the hormones it releases.  

In some cases, tumors on the pituitary can lead to Cushing’s syndrome – this is called Cushing disease.  In other cases, the tumors reduce the adrenal gland’s release of hormones needed for the “fight or flight” response to stress.  If the body is unable to handle physiological stress—a condition called Addison’s disease—it can be fatal.

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EditText of this page (last edited November 5, 2009)

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