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Hyperthyroidism is a hypermetabolic state caused by elevated levels of thyroid hormones, triiodothyronine (T3) and thyroxine (T4). It results from dysregulation at the thyroid, pituitary, or immune system level and affects multiple organ systems.PathophysiologyThe most common cause of hyperthyroidism is Graves’ disease, an autoimmune disorder in which antibodies, specifically thyroid-stimulating antibodies (TSAb), a subtype of TSH receptor antibodies (TRAb), bind to and activate TSH...
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Hypothyroidism is a disorder characterized by insufficient production of thyroid hormones, which regulate metabolism, energy balance, and multiple organ systems.TypesHypothyroidism is classified based on the level of dysfunction. Primary hypothyroidism results from intrinsic thyroid gland dysfunction, causing reduced hormone production despite normal or increased stimulation. Secondary hypothyroidism arises from inadequate thyroid-stimulating hormone (TSH) secretion by the pituitary. Tertiary...
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Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
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Hyperprolactinemia.

Abha Majumdar1, Nisha Sharma Mangal1

  • 1Departments of Obstetrics and Gynecology, Sir Ganga Ram Hospital and Sir Ganga Ram Kolmet Hospital, New Delhi, India.

Journal of Human Reproductive Sciences
|December 19, 2013
PubMed
Summary
This summary is machine-generated.

Hyperprolactinemia, elevated prolactin, can cause infertility and osteoporosis. Macroprolactinemia, an inactive form, can mimic high prolactin levels, requiring careful diagnosis before treatment.

Keywords:
Anovulationgalactorrheahyperprolactinemiaprolactinprolactinomas

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Area of Science:

  • Endocrinology
  • Reproductive Medicine
  • Oncology

Background:

  • Prolactin (PRL) is a key anterior pituitary hormone regulating lactation.
  • Pathological hyperprolactinemia frequently causes ovulatory dysfunction, amenorrhea, or oligomenorrhea in women.
  • Pituitary tumors are a significant cause of hyperprolactinemia, necessitating investigation.

Purpose of the Study:

  • To review the causes, diagnosis, and management of hyperprolactinemia.
  • To highlight the diagnostic challenges posed by macroprolactinemia.
  • To discuss the reproductive and bone health implications of hyperprolactinemia.

Main Methods:

  • Literature review of hyperprolactinemia and its associated conditions.
  • Analysis of diagnostic criteria and therapeutic strategies.
  • Discussion of differential diagnoses, including macroprolactinemia.

Main Results:

  • Hyperprolactinemia is a common cause of ovulatory disorders and infertility.
  • Pituitary tumors account for nearly 50% of hyperprolactinemia cases.
  • Macroprolactinemia, a biologically inactive PRL form, can lead to misdiagnosis.

Conclusions:

  • Effective management of hyperprolactinemia involves accurate diagnosis, distinguishing active PRL from macroprolactinemia.
  • Treatment strategies include dopamine agonists, surgery, or radiation for pituitary macroadenomas.
  • Addressing estrogen deficiency is crucial to prevent osteoporosis in affected women.