Acromegaly - Medtick

Acromegaly

What is it?

A hormonal disorder that develops when your pituitary gland (the pituitary gland is a small structure that’s found at the base of the skull) produces too much growth hormone during adulthood, it can be mistaken for gigantism.

  • It usually affects middle age adults though can affect any age.

Diagnosis test

  • Medical history
  • Physical examination – This allows your doctor to look for physical symptoms, like an enlarged tongue or prominent facial bones.
  • Blood tests- Acromegaly involve high blood levels of growth hormone and insulin growth factor-1 (IGF-1). Your doctor might also check other hormones, like cortisol and thyroid hormone, which may be low.
  • Imaging tests – If ones doctor thinks a pituitary adenoma is causing your symptoms, they may order an MRI or CT scan. This test will show the size and location of the tumor.

Healthline


Gigantism and Acromegaly occur when the pituitary gland produces too much growth hormone.

Gigantism and acromegaly are similar, but they also have notable differences.

Gigantism occurs in children. The overproduction of growth hormone occurs during puberty, when a child is still naturally growing, growth is rapid.

Acromegaly affects middle-aged adults. It’s caused by an overproduction of growth hormone, even after puberty. This causes atypical growth in adulthood, it is rare and progresses slowly.


This condition can be divided into those caused by local mass effects of an intracranial tumor and those caused by excess of GH/insulin-like growth factor 1.

Conditions below should be investigated:

Prognathism (refers to the lower jaw sticking out more than usual) is caused by excess GH/insulin-like growth factor 1 along with:

  • Arthritis
  • Coarsening of facial features
  • Hyperhidrosis – excessive sweating
  • Hyperphosphatemia
  • Hypercalciuria
  • Hypertriglyceridemia (high blood fat levels)
  • Increase in ring and/or shoe size
  • Increased incidence of colonic polyps and adenocarcinoma (cancer of a certain gland) of the colon
  • Increased incidence of congestive heart failure, which may be due to uncontrolled hypertension or to an intrinsic form of cardiomyopathy attributable to excess GH/insulin-like growth factor 1
  • Increased incidence of glucose intolerance or frank diabetes mellitus, hypertension, and cardiovascular disease
  • Increased incidence of obstructive sleep apnoea
  • Macroglossia- large tongue
  • Soft tissue swelling and enlargement of extremities

Medscape

Cause

Syndromes


Rarely, a tumour somewhere else in the body, these tumours typically secrete hormones that trigger the pituitary gland to make growth hormones. Sometimes, these tumours might produce growth hormone themselves.

This includes tumours in the:

  • Lungs
  • Pancreas
  • Hypothalamus
  • Adrenal glands
  • Chest or abdomen

Healthline

Symptoms

  • Bones increase in size, including those of your hands (rings don’t fit one’s fingers), feet and face?
  • Protruding lower jaw and brow, an enlarged nose, thickened lips, and wider spacing between your teeth?
  • Joint pain and stiffness?
  • Joint pain in hands and feet and/or pain in joints of Fingers and toes?
  • Sore bone pain?
  • Sweating?
  • Oily  thickened, skin?
  • Skin tags?
  • General discomfort (muscle weakness), uneasiness or ill feeling (malaise) and/or fatigue (tiredness)?
  • Aching, painful muscles, muscle cramps/spasms/stiffness?
  • Voice changes and/or a hoarse voice and/or a deep voice?
  • Snoring?
  • Blurred vision?
  • Headache which is on and off or a constant headache longer than 24 hours?
  • Inflamed, hot, red, swollen and burning tongue and/or larger tongue?
  • Loss of interest in sex?

Male:

Females:

  • Irregular periods?

Complications /Information to beware of/General tips:

This condition can lead to:

  • High blood pressure (hypertension)
  • Cardiovascular disease [particularly enlargement of the heart (cardiomyopathy)]
  • Osteoarthritis
  • Diabetes mellitus
  • Hyperthyroidism
  • Hypothyroidism
  • Hypopituitarism – Deficiency of one or more of the pituitary hormones:
    • Thyroid stimulating hormone (TSH): This hormone circulates to the thyroid gland in the
      neck, stimulating it to make and release thyroid hormones, Thyroxine and Tri-iodothyronine.
    • Adrenocorticotrophic hormone (ACTH): This hormone stimulates the adrenal glands
      (small endocrine glands situated on the top of your kidneys) to produce cortisol. This is a
      steroid hormone that is essential for everyday activities and health. Lack of cortisol causes
      severe fatigue and lack of appetite with weight loss.
    • Growth hormone (GH): This has effects on the various tissue of the body. In children, it is
      essential to reach normal growth. In adults, it appears to maintain normal energy levels and
      to keep muscles and bones strong and healthy.
    • Gonadotrophins – Follicular Stimulating Hormone (FSH) and Luteinising Hormone
      (LH): These hormones regulate and control the male and female hormones, menstrual
      cycles, ovulation, sperm production and fertility.
    • Prolactin (PL): This hormone stimulates the breasts and regulates milk production. It is
      normally produced in very high levels during pregnancy and breast- feeding. This hormone
      can be responsible for irregular or absent menstrual periods and lack of libido.
    • Antidiuretic hormone (ADH): This hormone circulates to the kidneys where it regulates the
      amount of urine produced. Too little ADH causes continual thirst and copious output of urine
      day and night.
  • arthritis
  • Uterine fibroids
  • Precancerous growths (polyps) on the lining of your colon
  • Sleep apnoea
  • Carpal tunnel syndrome
  • Spinal cord compression leading to  neurological conditions
  • Vision loss

This condition may show similar symptoms to :

Please talk to your healthcare professional (i.e. Medical Doctor/Pharmacist) for further advice

Detailed Information

Please copy and paste any key words from the title: Acromegaly in the following respective 'Medtick References and/or Sources' to find out more about the disease (this also may include diagnosis tests and generic medical treatments).

  • NHS

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  • Medscape

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  • Pharmaceutical Journal

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  • National Organisation of Rare Diseases

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  • Verywell Health

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