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Pituitary Tumors

We provide you with treatments for pituitary tumors that fall into the following categories.

Non-functioning tumors

Non-functioning tumors (silent tumors)are the most common subtype of pituitary adenoma and which does not produce hormones.

Hormonally active tumors

Hormonally active tumors produce large amounts of normal hormones. They including the following conditions:

  • Acromegaly: Caused by a pituitary tumor that secretes growth hormone and which may cause gigantism in childhood or symptoms from headache to facial and foot enlargement in adults. For more information, refer to the Acromegaly description on our Dartmouth-Hitchcock Healthwise® Health Encyclopedia website.
  • Cushing's Disease: When the adrenal glands produce too much cortisol as a result of the microadenoma, a small pituitary tumor, and excessive adrenocorticotropic hormone (ACTH)
  • Prolactinoma: The most common hormone-producing tumor that produces excess amounts of a hormone called prolactin.

Thyrotroph secreting tumors

Thyrotroph secreting tumors are rare tumors that secrete the hormone thyrotropin TSH.

  • Recurrent tumors: various tumors of the pituitary that return after treatment
  • Pituitary carcinoma: rare malignant pituitary tumors accounting for 0.1 to 0.2 % of all such tumors
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