Acromegaly overview: Difference between revisions
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==Overview== | ==Overview== | ||
'''Acromegaly''' (from Greek ''akros'' "extreme" or "extremities" and ''megalos'' "large" - extremities enlargement) | '''Acromegaly''' (from Greek ''akros'' "extreme" or "extremities" and ''megalos'' "large" - extremities enlargement) is a hormonal disorder that results from too much growth hormone in the body. The [[pituitary]], a small gland in the brain, makes growth hormone. In acromegaly, the pituitary produces excessive amounts of growth hormone, usually from a benign, or noncancerous, tumor on the pituitary gland. These benign tumors are called [[pituitary adenomas]]. | ||
Acromegaly most commonly affects middle-aged adults and can result in serious illness and premature death. Because of its insidious onset and slow progression, the disease is hard to diagnose in the early stages and is frequently missed for many years. Common symptoms include slow enlargement of jaw, hands, feet, and coarsening of facial features. The most serious health consequences of acromegaly are type 2 diabetes, high blood pressure, increased risk of cardiovascular disease, and arthritis. Patients with acromegaly are also at increased risk for colon polyps, which may develop into colon cancer if not removed. | |||
Acromegaly | When growth hormone-producing adenomas occur in childhood, the disease that results is called gigantism rather than acromegaly. A child’s height is determined by the length of the so-called long bones in the legs. In response to growth hormone, these bones grow in length at the growth plates—areas near either end of the bone. Prior to puberty, excessive growth hormone exposure causes increased height. Growth plates fuse after puberty, so the excessive growth hormone production in adults does not affect height. | ||
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==Historical Perspective== | ==Historical Perspective== | ||
Revision as of 08:06, 27 September 2016
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Acromegaly Microchapters |
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Acromegaly overview On the Web |
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American Roentgen Ray Society Images of Acromegaly overview |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Acromegaly (from Greek akros "extreme" or "extremities" and megalos "large" - extremities enlargement) is a hormonal disorder that results from too much growth hormone in the body. The pituitary, a small gland in the brain, makes growth hormone. In acromegaly, the pituitary produces excessive amounts of growth hormone, usually from a benign, or noncancerous, tumor on the pituitary gland. These benign tumors are called pituitary adenomas. Acromegaly most commonly affects middle-aged adults and can result in serious illness and premature death. Because of its insidious onset and slow progression, the disease is hard to diagnose in the early stages and is frequently missed for many years. Common symptoms include slow enlargement of jaw, hands, feet, and coarsening of facial features. The most serious health consequences of acromegaly are type 2 diabetes, high blood pressure, increased risk of cardiovascular disease, and arthritis. Patients with acromegaly are also at increased risk for colon polyps, which may develop into colon cancer if not removed. When growth hormone-producing adenomas occur in childhood, the disease that results is called gigantism rather than acromegaly. A child’s height is determined by the length of the so-called long bones in the legs. In response to growth hormone, these bones grow in length at the growth plates—areas near either end of the bone. Prior to puberty, excessive growth hormone exposure causes increased height. Growth plates fuse after puberty, so the excessive growth hormone production in adults does not affect height.