BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY
Normal hand (left) beside Acromegalous hand (right). This is a disorder in which there is uncontrolled growth, leading to changed features and enlargement of the hands and feet. Acromegaly is caused by excessive production of the growth hormone somatotrophin. This is usually due to a benign tumor of the anterior pituitary gland (which normally produces the hormone) beneath the brain. The condition can be controlled today with drugs, or the tumor can be surgically removed or treated by radiotherapy.
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