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Diagnostic evaluation of hyperprolactinemia.

B M Biller1

  • 1Neuroendocrine Unit, Massachusetts General Hospital, Boston 02114, USA.

The Journal of Reproductive Medicine
|January 29, 2000
PubMed
Summary

Serum prolactin (PRL) testing helps diagnose hyperprolactinemia, a condition causing symptoms like amenorrhea and galactorrhea. Diagnosis involves repeat testing, ruling out common causes, and imaging if necessary, with most patients treated by medication.

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Guidelines for the diagnosis and treatment of hyperprolactinemia.

The Journal of reproductive medicine·2000

Area of Science:

  • Endocrinology
  • Reproductive Medicine
  • Oncology

Background:

  • Hyperprolactinemia presents with symptoms like amenorrhea and galactorrhea, and is often evaluated during infertility assessments.
  • Elevated serum prolactin (PRL) levels necessitate further investigation to determine the underlying cause.

Purpose of the Study:

  • To outline the diagnostic pathway for hyperprolactinemia.
  • To describe the management strategies for conditions causing elevated prolactin levels.

Main Methods:

  • Initial serum prolactin (PRL) measurement.
  • Repeat PRL testing under fasting morning conditions.
  • Exclusion of physiologic (e.g., pregnancy, hypothyroidism) and pharmacologic causes.
  • Radiologic imaging (sella turcica) to detect pituitary adenomas or other lesions.
  • Medical management with dopamine agonists as the primary treatment.

Main Results:

  • Most hyperprolactinemia cases are successfully managed with dopamine agonist therapy.
  • Surgery is reserved for refractory tumors, large cystic components, intolerance to medication, or pituitary apoplexy.

Conclusions:

  • A systematic approach involving repeat testing, exclusion of common causes, and imaging is crucial for diagnosing hyperprolactinemia.
  • Medical management with dopamine agonists is highly effective for the majority of patients with PRL-secreting pituitary adenomas.

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