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Acromegaly

Definition:

Acromegaly is a chronic metabolic disorder caused by the presence of too much growth hormone. It results in gradual enlargement of body tissues including the bones of the face, jaw, hands, feet, and skull.

Alternative Names:

Somatotroph adenoma; Growth hormone excess

Causes, incidence, and risk factors:

Acromegaly occurs in about 6 of every 100,000 adults. It is caused by abnormal production of growth hormone after normal growth of the skeleton and other organs is complete. Excessive production of growth hormone in children causes gigantism rather than acromegaly.

The cause of the increased hormone secretion is usually a benign tumor of the pituitary gland. The pituitary gland, which is located just below the brain, controls the production and release of several different hormones including growth hormone.

There are no known risk factors for acromegaly other than a prior history of a pituitary tumor.

Endocrine glands

Review Date: 5/12/2006
Reviewed By: Robert Hurd, MD, Department of Biology, College of Arts and Sciences, Xavier University, Cincinnati, OH. Review provided by VeriMed Healthcare Network.

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