|Classification and external resources|
The main disorders involving the pituitary gland are:
|Cushing's disease||overproduction||Adrenocorticotropic hormone|
|Growth hormone deficiency||underproduction||growth hormone|
|Syndrome of inappropriate antidiuretic hormone||overproduction||vasopressin|
(can also be nephrogenic)
|Sheehan syndrome||underproduction||any pituitary hormone|
|Pickardt-Fahlbusch-Syndrome||underproduction||any pituitary hormone, except prolactin, which is increased|
|Hyperpituitarism (most commonly pituitary adenoma)||overproduction||any pituitary hormone|
|Hypopituitarism||underproduction||any pituitary hormone|
Over- or underproduction of a pituitary hormone will effect the respective end-organ. For example insufficient production (hyposecretion) of thyroid stimulating hormone (TSH) in the pituitary gland will cause hypothyroidism, while overproduction (hypersecretion) of TSH will cause hyperthyroidism. Thyroidisms caused by the pituitary gland are less common though, accounting for less than 10% of all hypothyroidism cases and much less than 1% of hyperthyroidism cases.
See also 
- Hypophysitis, inflammation of the pituitary gland.
- Autoimmune hypophysitis (or lymphocytic hypophysitis), inflammation of the pituitary gland due to autoimmunity.
- Pituitary tumour, a tumor of the pituitary gland.
- Pituitary adenoma, a noncancerous tumor of the pituitary gland.
- Pituicytoma, a rare brain tumor.
- Pituitary apoplexy, bleeding into or impaired blood supply of the pituitary gland.
- "Overview of the Pituitary Gland: Pituitary Gland Disorders: Merck Manual Home Health Handbook". Retrieved 2009-04-04.
- Page 358 in: Aminoff, Michael J. (2007). Neurology and General Medicine: Expert Consult: Online and Print. Edinburgh: Churchill Livingstone. ISBN 0-443-06707-4.
- Thyrotropin (TSH)-secreting pituitary adenomas. By Roy E Weiss and Samuel Refetoff. Last literature review version 19.1: January 2011. This topic last updated: July 2, 2009
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