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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

Anatomy of the Adrenal Glands

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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

Hormones of the Adrenal Glands

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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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Adrenergic Agonists: Therapeutic Uses01:30

Adrenergic Agonists: Therapeutic Uses

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Adrenergic agonists have diverse therapeutic uses across various medical conditions and emergencies.
Emergency and Intensive Care Unit (ICU) applications: Pressor agents increase blood pressure, heart rate, and contractility in shock and organ failure situations. Dopamine can induce vasodilation and stimulate adrenoceptors. Endogenous catecholamines are effective in treating cardiogenic shock. α2-agonists like clonidine can reverse anesthesia-induced hypertension.
Allergies and...
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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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Adrenergic Receptors (Adrenoceptors): Classification01:27

Adrenergic Receptors (Adrenoceptors): Classification

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Adrenergic receptors, or adrenoceptors, respond to the autonomic neurotransmitter noradrenaline and other endogenous catecholamine agonists. They are classified into two main families, α and β, based on their pharmacological response and are further subdivided depending on their location, elicited response, and affinity to specific agonists or antagonists.
α-Adrenoceptors
α-Adrenoceptors are classified into two main subtypes: α1 and α2. The α1 adrenoceptors,...
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Related Experiment Video

Updated: Dec 2, 2025

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

Robert Rosenberg1, Roswitha Köberle1, Pauline Maja Becker1

  • 1Klinik für Chirurgie, Kantonsspital Baselland, Liestal.

Therapeutische Umschau. Revue Therapeutique
|November 4, 2020
PubMed
Summary
This summary is machine-generated.

Adrenal tumors are masses in the adrenal gland. Evaluation focuses on malignancy and hormonal activity, guiding treatment decisions for these common incidentalomas.

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Area of Science:

  • Endocrinology
  • Oncology
  • Radiology

Background:

  • Adrenal tumors are benign or malignant lesions of the adrenal gland.
  • Increased use of imaging techniques leads to higher detection rates of adrenal incidentalomas.
  • Diagnosis involves assessing malignancy and hormonal activity.

Purpose of the Study:

  • To outline the diagnostic and management strategies for adrenal tumors.
  • To differentiate between malignant and benign adrenal masses.
  • To identify and manage hormonally active adrenal tumors.

Main Methods:

  • Imaging characteristics (imaging phenotype) for malignancy assessment.
  • Clinical examination and biochemical tests for hormonal secretion evaluation.
  • Surgical and non-surgical management based on tumor characteristics.

Main Results:

  • Adrenal masses < 4 cm with benign imaging and normal hormonal workup require no treatment.
  • Malignant or hormonally active tumors necessitate further investigation or surgical intervention.
  • Minimally invasive surgery is an option for select adrenal tumors < 6 cm.

Conclusions:

  • Management of adrenal tumors is individualized based on size, imaging, and hormonal status.
  • Surgical treatment is often preferred for hormonally active tumors.
  • Interdisciplinary collaboration is crucial for optimal evaluation and treatment of adrenal tumors.