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Mahdi Sharif-Alhoseini Vafa Rahimi-Movaghar

Abstract

Pituitary adenomas, as the majority of pituitary neoplasms, are typically benign, slow-growing tumors that arise from cells in the pituitary gland. Those are classified based on secretory products. The functioning (endocrine-active) tumors include almost 70% of pituitary tumors which produce 1 or 2 hormones that are measurable in the serum and cause definite clinical syndromes, that are classified based on their secretory product(s). But non-functioning adenomas are endocrine-inactive tumors. The purpose of this study is to review all types of functioning pituitary adenoma (prolactin, ACTH, GH, TSH, LH and FSH secreting) and non-secreting ones from studies indexed in electronic databases. We describe the symptoms, epidemiology, diagnosis, management, outcome and complications of them separately. Because of physiologic effects of excess hormones, the functioning tumors present earlier than non-functioning adenomas. Therefore patients usually present with symptoms related to a specific hormone imbalance. On the other hand, the mass effect from large pituitary adenomas (often due to non-secreting tumors) may lead to the pressure symptoms, such as headaches, visual field defects (typically loss of peripheral vision first), cranial nerve deficits, hypopituitarism (compression of the normal pituitary gland), pituitary apoplexy (sudden bleeding or outgrowing blood supply), or stalk effect. Apart from prolactinomas, primary treatment for the pituitary adenomas is usually transsphenoidal surgery, and adjunctive treatment may include supervoltage radiation, and occasionally, pharmacologic agents. The most of prolactinomas can be effectively treated with dopaminergic drugs as a primary therapy. Transsphenoidal surgery is an alternative for patients who are intolerant of or resistant to dopamine agonists or when hyperprolactinemia is caused by non-prolactin-secreting tumors compressing the pituitary stalk.

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How to Cite
SHARIF-ALHOSEINI, Mahdi; RAHIMI-MOVAGHAR, Vafa. Pituitary adenomas: A Review. Journal of Injury and Violence Research, [S.l.], v. 4, n. 3, dec. 2012. ISSN 2008-4072. Available at: <http://jivresearch.org/jivr/index.php/jivr/article/view/403>. Date accessed: 15 dec. 2017.
Keywords
Pituitary Neoplasm, Prolactinoma, ACTH-Secreting Pituitary Adenoma, GH-Secreting Pituitary Adenoma
Section
Poster Abstracts

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