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Definition
By Mayo Clinic staff
Acromegaly is a hormonal disorder that develops when your pituitary gland produces too much growth hormone during adulthood. When this happens, your bones increase in size, including those of your hands, feet and face. Acromegaly usually affects middle-aged adults.
In children who are still growing, too much growth hormone can cause a condition called gigantism. These children have exaggerated bone growth and an abnormal increase in height.
Because acromegaly is uncommon and physical changes occur gradually, the condition often isn't recognized immediately; sometimes not for years. If not treated promptly, acromegaly can lead to serious illness and even become life-threatening. However, available treatments for acromegaly can reduce your risk of complications and significantly improve your symptoms, including the enlargement of your features.
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