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==Overview==
==Overview==
Laboratory findings consistent with the [[diagnosis]] of pituitary adenoma include elevated [[serum]] [[prolactin]] level and elevated or decreased [[serum]] levels of other [[Pituitary hormone|pituitary hormones]].


'''Pituitary adenomas''' are [[tumor]]s that occur in the [[pituitary gland]], and account for about 10% of intracranial [[neoplasia|neoplasms]]. They often remain undiagnosed, and small pituitary tumors are found in 6 to 24 percent of adults at autopsy.
==Laboratory Findings==
Pituitary adenomas arise within the anterior lobe (adenohypophysis) of the gland . Tumors less than 1 cm are called micro adenomas. Clinical symptoms depend on whether the tumor is secreting or nonsecreting. Nonsecreting adenomas grow and compress adjacent structures, most commonly causing a bitemporal hemianopsia due to chiasmatic compression. Lateral extension into the cavernous sinuses can result in cranial nerve palsies.
*Laboratory findings consistent with the [[diagnosis]] of pituitary adenoma include:


:*Elevated serum level of  [[prolactin]]
:*Elevated or decreased [[serum]] level of  [[adrenocorticotropic hormone]] (ACTH)
:*Elevated or decreased [[serum]] level of  [[growth hormone]] (GH)
:*Elevated or decreased [[serum]] level of  [[thyroid-stimulating hormone]] (TSH)
:*Elevated or decreased [[serum]] level of  [[follicle-stimulating hormone]] (FSH)
:*Elevated or decreased [[serum]] level of  [[luteinizing hormone]] (LH)
*Some adenomas secrete more than one [[hormone]], the most common combination being [[growth hormone]] and [[prolactin]].
==References==
==References==
{{Reflist|2}}
{{Reflist|2}}
[[cs:Adenom hypofýzy]]
[[nl:Hypofysetumor]]
[[sk:Adenóm hypofýzy]]
[[sv:Hypofystumör]]
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Latest revision as of 19:47, 2 October 2019

Pituitary adenoma Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Ahmad Al Maradni, M.D. [2]

Overview

Laboratory findings consistent with the diagnosis of pituitary adenoma include elevated serum prolactin level and elevated or decreased serum levels of other pituitary hormones.

Laboratory Findings

  • Laboratory findings consistent with the diagnosis of pituitary adenoma include:

References