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Special Report

Diagnosis and treatment of prolactinomas

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Pages 135-142 | Published online: 10 Jan 2014
 

Abstract

Prolactinomas account for approximately 40% of all pituitary adenomas. Hyperprolactinemia causes hypogonadism, infertility and galactorrhea. Macroprolactinomas may cause signs of local expansion, such as headache, visual field defects and paresis of oculomotor nerves during suprasellar and parasellar extensions. Compression of healthy pituitary tissue together with the blockade of the flow of hypothalamic released hormones to the pituitary by macroprolactinomas results in the development of hypopituitarism. The aim of treatment is restoration of hypogonadism and fertility in the microprolactinoma patients, as well as tumor shrinkage in macroprolactinoma patients. Primary therapy for prolactinomas is pharmacological treatment with dopamine agonists (DAs). However, surgical or radiation treatment is recommended for prolactinoma patients resistant or intolerant to DAs. In patients with long-term normoprolactinemia and significant tumor shrinkage, a trial of tapering and discontinuation of medical therapy is possible. After discontinuation of DAs, a long-term follow-up is necessary. In cases of recurrence displaying hyperprolactinemia and tumor enlargement, treatment must be resumed.

Financial & competing interests disclosure

This work was supported by an institutional grant from the Ministry of Education of the Czech Republic (MSM 002 162 0807). The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.

No writing assistance was utilized in the production of this manuscript.

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