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Related Concept Videos

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.
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...
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...

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Related Experiment Video

Updated: Jul 13, 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

[Invasive giant pituitary adenomas].

D E Matsko, G Vogel, A Iu Ulitin

    Arkhiv Patologii
    |July 24, 2007
    PubMed
    Summary

    Pituitary adenomas can exhibit invasive growth, regardless of tumor characteristics or hormone production. This study analyzed 7 cases, finding no correlation between invasive behavior and tumor structure, anaplasia, or hormone type.

    More Related Videos

    Three-dimensional Alginate-bead Culture of Human Pituitary Adenoma Cells
    08:31

    Three-dimensional Alginate-bead Culture of Human Pituitary Adenoma Cells

    Published on: February 18, 2016

    Related Experiment Videos

    Last Updated: Jul 13, 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

    Three-dimensional Alginate-bead Culture of Human Pituitary Adenoma Cells
    08:31

    Three-dimensional Alginate-bead Culture of Human Pituitary Adenoma Cells

    Published on: February 18, 2016

    Area of Science:

    • Endocrinology
    • Neurosurgery
    • Oncology

    Context:

    • Pituitary adenomas are common tumors.
    • Invasive growth presents diagnostic and therapeutic challenges.
    • Magnetic resonance imaging (MRI) is crucial for assessing tumor extent.

    Purpose:

    • To investigate the factors associated with invasive growth in pituitary adenomas.
    • To analyze the relationship between tumor characteristics and invasive behavior.

    Summary:

    • This study reviewed 7 cases of pituitary adenomas with confirmed invasive growth via MRI, clinical, and intraoperative data.
    • Invasive growth was observed irrespective of tumor structure, degree of anaplasia, or the specific hormone produced by the adenoma.

    Impact:

    • Findings suggest that invasive pituitary adenomas may not be predictable based on standard histopathological or hormonal markers.
    • Highlights the complexity of pituitary adenoma behavior and the need for comprehensive assessment.