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Related Concept Videos

Adrenal Gland Disorders01:27

Adrenal Gland Disorders

Adrenal gland disorders manifest when the production of adrenal hormones deviates from the norm, resulting in either excessive or insufficient concentrations.
Adrenal insufficiency, characterized by insufficient cortisol and aldosterone production, leads to conditions like Addison's disease. This disorder, affecting the adrenal cortex, exhibits symptoms such as skin bronzing, dehydration, low blood pressure, fatigue, and weight loss. Congenital adrenal hyperplasia, a genetic ailment causing...
Anatomy of the Adrenal Glands01:17

Anatomy of the Adrenal Glands

The adrenal or supra-renal glands, situated above the kidneys and aligned with the twelfth rib, are paired pyramid-shaped structures crucial for the body's stress response. During stress, these glands secrete hormones vital for adaptive physiological reactions.
These glands possess a distinctive yellow tinge due to the stored cholesterol and fatty acids required for hormone synthesis. They are encased in a fibrous capsule and cushioned by fat.
The adrenal gland comprises two distinct regions...
Hormones of the Adrenal Glands01:31

Hormones of the Adrenal Glands

Adrenal hormones play a pivotal role in maintaining the body's electrolyte balance and orchestrating responses to stress, showcasing the intricate functions of the adrenal cortex and medulla.
The adrenal cortex, a powerhouse of hormone synthesis, generates over two dozen corticosteroid hormones. The zona glomerulosa produces mineralocorticoids, exemplified by aldosterone, influencing the electrolyte composition of body fluids. The synthesis of glucocorticoids such as cortisol and corticosterone...
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...
Sympathetic Pathways: Collateral Ganglia and Adrenal Medulla01:27

Sympathetic Pathways: Collateral Ganglia and Adrenal Medulla

The sympathetic pathways of the collateral ganglia and adrenal medulla serve unique but interconnected roles in the sympathetic response.
Collateral Ganglia
Sympathetic preganglionic axons reach the collateral ganglia along the route of splanchnic nerves. These nerves bypass the sympathetic trunk and communicate with sympathetic postganglionic neurons housed in the prevertebral ganglia. These ganglia supply the organs of the abdominopelvic cavity.
The greater splanchnic nerve, formed by the...
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...

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Related Experiment Video

Updated: Jul 3, 2026

A Novel Method: Super-selective Adrenal Venous Sampling
06:08

A Novel Method: Super-selective Adrenal Venous Sampling

Published on: September 15, 2017

[Adrenal incidentalomas].

Blandine Cherifi-Gatta1, Delphine Gaye, François Laurent

  • 1Service d'endocrinologie, diabétologie, maladies métaboliques, USN Haut-Lev@que, CHU de Bordeaux, 33604 Pessac Cedex.

La Revue Du Praticien
|August 5, 2008
PubMed
Summary
This summary is machine-generated.

Adrenal incidentalomas are common adrenal masses found incidentally. A systematic investigation is crucial for determining if surgery is necessary, as most are benign and do not require intervention.

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Area of Science:

  • Endocrinology
  • Radiology
  • Oncology

Context:

  • Adrenal incidentalomas are adrenal masses >1 cm discovered incidentally during imaging for other reasons.
  • Prevalence is at least 1% in patients undergoing abdominal CT scans.
  • Management decisions involve surgical excision versus non-surgical follow-up.

Purpose:

  • To outline the diagnostic and management strategies for adrenal incidentalomas.
  • To emphasize the importance of etiological investigation in guiding treatment decisions.
  • To address the uncertainties in follow-up protocols for non-surgical cases.

Summary:

  • Adrenal incidentalomas require systematic etiological investigation, including clinical, endocrine, and CT assessments.
  • Surgery is mandatory for secretory tumors (pheochromocytoma, secreting adenomas) and adrenal cancer.
  • The majority of adrenal incidentalomas are benign cortical adenomas requiring careful, but often non-surgical, management.

Impact:

  • Guides clinicians in appropriate patient selection for surgery versus conservative management.
  • Aims to reduce unnecessary surgeries and optimize patient outcomes.
  • Highlights the need for standardized follow-up protocols for adrenal incidentalomas.