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Related Concept Videos

Hormones of the Pituitary Gland01:27

Hormones of the Pituitary Gland

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.
The most abundantly secreted hormone from the anterior lobe is the growth hormone, which controls overall growth by...
The Pituitary Gland01:17

The Pituitary Gland

The pituitary is a small endocrine organ in the sphenoid bone under the hypothalamus. Primarily, the pituitary in adults has two distinct anatomical and functional regions— the anterior and posterior lobes. During human fetal development, a third pituitary gland region called the pars intermedia atrophies and disappears. However, some of its cells migrate and exist adjacent to the anterior pituitary in adults.
Cushing Syndrome II: Pathophysiology01:19

Cushing Syndrome II: Pathophysiology

Cortisol production is normally governed by the hypothalamic–pituitary–adrenal (HPA) axis, which maintains hormonal balance through tightly regulated feedback mechanisms. Disruption of this regulatory system is central to the development of Cushing syndrome, whether the excess cortisol originates from external medications or internal pathology. Persistent cortisol elevation alters metabolism, immune function, and endocrine signaling, producing the characteristic clinical features of the...
Cushing Syndrome I: Introduction01:26

Cushing Syndrome I: Introduction

Cushing syndrome refers to the collection of clinical manifestations that arise when tissues are exposed to excessive amounts of cortisol or cortisol-like medications over an extended period. Cortisol, a glucocorticoid produced by the adrenal cortex, regulates metabolism, immune responses, and the body’s adaptation to stress. When its concentration remains chronically elevated, these physiological pathways become dysregulated, resulting in the characteristic features of the syndrome.Exogenous...
Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

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 receptors...
Major Hormones and Their Functions01:27

Major Hormones and Their Functions

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.
Oxytocin, produced in the hypothalamus and released by the pituitary gland, plays a role in social bonding, childbirth, and lactation.

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Related Experiment Video

Updated: May 17, 2026

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
07:43

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas

Published on: January 17, 2018

Pituitary tumors.

Gautam U Mehta1, John A Jane

  • 1Department of Neurosurgery, University of Virginia Health Sciences Center, University of Virginia, Charlottesville, Virginia 22908-0711, USA.

Current Opinion in Neurology
|October 31, 2012
PubMed
Summary
This summary is machine-generated.

New research in pituitary tumor treatment combines existing therapies and advances surgical and radiation techniques. These evolving strategies aim to improve patient outcomes and achieve better tumor control.

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Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
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Area of Science:

  • Endocrinology
  • Neurosurgery
  • Radiation Oncology

Background:

  • Pituitary tumors represent a diverse group of neoplasms requiring multifaceted treatment approaches.
  • Current management strategies involve medical, surgical, and radiation-based therapies.

Purpose of the Study:

  • To review current research in pituitary tumor treatment.
  • To summarize emerging medical, surgical, and radiation-based therapies for pituitary tumors.

Main Methods:

  • Review of existing literature on pituitary tumor treatments.
  • Synthesis of data on novel combinations of medical agents.
  • Analysis of advancements in surgical techniques and radiation therapy.

Main Results:

  • Novel combinations of dopamine agonists and somatostatin receptor ligands enhance biochemical remission and tumor size reduction.
  • Surgical advancements include improved intraoperative imaging for tumor localization and reduced complication rates.
  • Radiation therapy and stereotactic radiosurgery demonstrate durable efficacy with long-term data becoming available.

Conclusions:

  • Existing therapeutic modalities for pituitary tumors are continually refined with new applications.
  • Emerging treatment strategies hold significant potential for improving patient care and outcomes.
  • Ongoing research promises enhanced management of pituitary tumors through innovative therapeutic approaches.