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The small, pea-sized pituitary gland is located at the base of the brain. It is crucial in regulating various bodily functions, from growth to reproduction. The gland is divided into the anterior lobe and the posterior lobe. The secretory cell clusters in the pars distalis of the anterior pituitary lobe are controlled by hypothalamic regulators and synthesize six primary hormones.
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Puberty is a critical phase, typically beginning between the ages of 8 and 13 in girls and 9 and 14 in boys, though timing can vary based on genetics, environmental factors, and overall health. This period is characterized by the development of secondary sexual characteristics and the attainment of reproductive potential. Endocrine changes underpin puberty, with hormonal surges of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) instigated by Gonadotropin-Releasing Hormone (GnRH)...
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Hormones, the biochemical messengers produced by endocrine glands, are pivotal in regulating bodily functions and maintaining homeostasis. Each hormone's balance is crucial; imbalances can lead to significant physiological disruptions. Major hormones include oxytocin, cortisol, epinephrine, estrogen, testosterone, thyroxine, growth hormone, insulin, and glucagon.
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Accessory Glands of the Male Reproductive System01:16

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The accessory ducts involved in sperm maturation and transportation include the epididymides, vasa deferentia, ejaculatory ducts, and urethra. These ducts play a critical role in the maturation, storage, and transportation of sperm from the testes to the urethra, where it is then released during ejaculation.
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Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
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Prolactinomas in males: any differences?

Hadar Duskin-Bitan1,2, Ilan Shimon3,4

  • 1Institute of Endocrinology and Metabolism, Rabin Medical Center - Beilinson Hospital, 4941492, Petach Tikva, Israel.

Pituitary
|December 6, 2019
PubMed
Summary
This summary is machine-generated.

Men with prolactinomas typically respond well to cabergoline, a dopamine agonist, which normalizes prolactin levels and improves symptoms. This medical treatment is often sufficient, unlike other pituitary adenomas requiring surgery.

Keywords:
CabergolineDopamine agonistMenProlactinProlactinoma

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Area of Science:

  • Endocrinology
  • Oncology

Background:

  • Male prolactinomas are often large, invasive pituitary tumors causing hypogonadism and mass effects like vision loss.
  • High prolactin levels correlate with low testosterone, anemia, metabolic syndrome, and osteoporosis.

Purpose of the Study:

  • To review the current management of prolactinomas in men.
  • To highlight the efficacy of medical treatment, particularly cabergoline.

Main Methods:

  • Review of current literature on male prolactinoma treatment.
  • Analysis of outcomes for medical (cabergoline) and multimodal therapies.

Main Results:

  • Cabergoline is the preferred first-line treatment, achieving normalization in ~80% of men.
  • It leads to tumor shrinkage, improved vision, and recovery from hypogonadism.
  • Resistant cases may require multimodal therapy (surgery, radiotherapy, high-dose cabergoline) or experimental agents.

Conclusions:

  • Medical treatment with cabergoline is highly effective for male prolactinomas.
  • Unlike other pituitary adenomas, prolactinomas in men often do not require surgery as first-line therapy.