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Related Concept Videos

Adrenal Gland Disorders01:27

Adrenal Gland Disorders

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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...
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Anatomy of the Adrenal Glands01:17

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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...
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Hormones of the Adrenal Glands01:31

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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...
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Cushing Syndrome I: Introduction01:26

Cushing Syndrome I: Introduction

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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...
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Sympathetic Pathways: Collateral Ganglia and Adrenal Medulla01:27

Sympathetic Pathways: Collateral Ganglia and Adrenal Medulla

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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...
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Cushing Syndrome II: Pathophysiology01:19

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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...
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A Novel Method: Super-selective Adrenal Venous Sampling
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[Adrenal incidentalomas].

Antoine Tabarin1

  • 1CHU de Bordeaux, USN Haut-Levêque, service d'endocrinologie, diabète et nutrition, 1, avenue Magellan, 33604 Pessac cedex, France.

Presse Medicale (Paris, France : 1983)
|March 12, 2014
PubMed
Summary
This summary is machine-generated.

Adrenal incidentalomas, often found incidentally, require evaluation for endocrine hypersecretion or neoplastic conditions. Surgical removal is recommended for hypersecreting tumors and carcinomas, though management of mild hypercortisolism remains debated.

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Area of Science:

  • Endocrinology
  • Oncology
  • Radiology

Context:

  • Adrenal incidentalomas are detected in 2-3% of abdominal CT scans.
  • Distinguishing between neoplastic and hypersecretory adrenal masses is crucial.
  • Surgical intervention is indicated for specific adrenal tumors.

Purpose:

  • To outline the diagnostic challenges and management strategies for adrenal incidentalomas.
  • To discuss the criteria for surgical excision of adrenal incidentalomas.
  • To address the ongoing debate regarding the management of subclinical cortisol excess.

Summary:

  • Adrenal incidentalomas are common findings on CT scans, necessitating careful evaluation.
  • Key considerations include identifying hypersecreting tumors (pheochromocytomas, Cushing's, Conn's adenomas) and adrenocortical carcinomas.
  • The majority are non-secreting adenomas, with less than 5% requiring removal.
  • The clinical significance and surgical necessity for "subclinical" cortisol-secreting adenomas are still under discussion.

Impact:

  • Informs clinical decision-making for patients with adrenal incidentalomas.
  • Highlights the importance of accurate diagnosis to guide treatment.
  • Contributes to the understanding of mild hypercortisolism management.