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Pituitary Tumors Treatment (PDQ®): Treatment - Patient Information [NCI] - General Information About Pituitary Tumors

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Possible signs of a pituitary tumor include problems with vision and certain physical changes.

Symptoms can be caused by the growth of the tumor and/or by hormones the tumor makes. Some tumors may not cause symptoms. Conditions other than pituitary tumors can cause the symptoms listed below. Check with your doctor if you have any of these problems.

Signs and symptoms of a non-functioning pituitary tumor

Sometimes, a pituitary tumor may press on or damage parts of the pituitary gland, causing it to stop making one or more hormones. Too little of a certain hormone will affect the work of the gland or organ that the hormone controls. The following symptoms may occur:

  • Headache.
  • Some loss of vision.
  • Loss of body hair.
  • In women, less frequent or no menstrual periods or no milk from the breasts.
  • In men, loss of facial hair, growth of breast tissue, and impotence.
  • In women and men, lower sex drive.
  • In children, slowed growth and sexual development.

Most of the tumors that make LH and FSH do not make enough extra hormone to cause symptoms. These tumors are considered to be non-functioning tumors.

Signs and symptoms of a functioning pituitary tumor

When a functioning pituitary tumor makes extra hormones, the symptoms will depend on the type of hormone being made.

Too much prolactin may cause:

  • Headache.
  • Some loss of vision.
  • Less frequent or no menstrual periods or menstrual periods with a very light flow.
  • Trouble becoming pregnant or an inability to become pregnant.
  • Impotence in men.
  • Lower sex drive.
  • Flow of breast milk in a woman who is not pregnant or breast-feeding.

Too much ACTH may cause:

  • Headache.
  • Some loss of vision.
  • Weight gain in the face, neck, and trunk of the body, and thin arms and legs.
  • A lump of fat on the back of the neck.
  • Thin skin that may have purple or pink stretch marks on the chest or abdomen.
  • Easy bruising.
  • Growth of fine hair on the face, upper back, or arms.
  • Bones that break easily.
  • Anxiety, irritability, and depression.

Too much growth hormone may cause:

  • Headache.
  • Some loss of vision.
  • In adults, acromegaly (growth of the bones in the face, hands, and feet). In children, the whole body may grow much taller and larger than normal.
  • Tingling or numbness in the hands and fingers.
  • Snoring or pauses in breathing during sleep.
  • Joint pain.
  • Sweating more than usual.
  • Dysmorphophobia (extreme dislike of or concern about one or more parts of the body).

Too much thyroid-stimulating hormone may cause:

Other general signs and symptoms of pituitary tumors:

  • Nausea and vomiting.
  • Confusion.
  • Dizziness.
  • Seizures.
  • Runny or "drippy" nose (cerebrospinal fluid that surrounds the brain and spinal cord leaks into the nose).
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WebMD Public Information from the National Cancer Institute

Last Updated: February 25, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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