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Management of macroprolactinomas.

Amit Tirosh1,2, Ilan Shimon1,2

  • 1Institute of Endocrinology, Rabin Medical Center, Beilinson Campus, Petah Tiqva, 4941492 Israel.

Clinical Diabetes and Endocrinology
|July 14, 2017
PubMed
Summary
This summary is machine-generated.

Macroprolactinomas, common pituitary tumors, can cause serious complications. Treatment aims to normalize prolactin levels, reduce tumor size, and restore pituitary function, often starting with dopamine agonists.

Keywords:
CabergolineDopamine agonistMacroadenomaProlactinoma

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Area of Science:

  • Endocrinology
  • Neurosurgery
  • Oncology

Background:

  • Prolactin (PRL) secreting tumors are the most common pituitary neoplasms.
  • These tumors are classified as microprolactinomas (<10 mm) and macroprolactinomas (≥10 mm).
  • Symptoms arise from hyperprolactinemia and mass effects on surrounding structures like the optic chiasm.

Purpose of the Study:

  • To describe potential complications of macroprolactinomas.
  • To discuss the management of macroprolactinoma complications.
  • To review treatment strategies for diverse patient populations with pituitary tumors.

Main Methods:

  • Review of clinical characteristics and management of macroprolactinomas.
  • Discussion of medical therapy with dopamine agonists (DA).
  • Evaluation of indications for pituitary surgery.

Main Results:

  • Macroprolactinomas can lead to mass effects, hypopituitarism, CSF leak, and apoplexy.
  • Dopamine agonists are the primary treatment for most patients.
  • Surgery is reserved for specific cases of DA resistance, intolerance, or critical complications.

Conclusions:

  • All macroprolactinoma patients require treatment to normalize PRL, stabilize tumor size, and restore pituitary axes.
  • Medical therapy is the mainstay, with surgery as an alternative for specific indications.
  • Special populations, including the elderly and children, require tailored management approaches.