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Related Concept Videos

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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Adrenal Gland Disorders01:27

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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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Sympathetic Pathways: Collateral Ganglia and Adrenal Medulla01:27

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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
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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.
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External Anatomy of the Kidney01:21

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The kidneys are a pair of bean-shaped organs in the human body that play a critical role in maintaining overall health. They filter out waste products from the blood, regulate blood pressure, maintain electrolyte balance, and stimulate the production of red blood cells.
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The Parathyroid Glands00:59

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The two pairs of parathyroid glands embedded within the posterior surface of the thyroid gland are restricted by a dense capsule around them. These glands comprise two distinct cell populations—parathyroid oxyphil and parathyroid principal cells- pivotal in calcium homeostasis.
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A Novel Method: Super-selective Adrenal Venous Sampling
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Incidental Adrenal Nodules.

Daniel I Glazer1, Michael T Corwin2, William W Mayo-Smith1

  • 1Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA.

Radiologic Clinics of North America
|May 31, 2021
PubMed
Summary
This summary is machine-generated.

Most adrenal nodules are benign, but accurate assessment is crucial. The American College of Radiology offers a management algorithm for incidental adrenal nodules, guiding further testing when necessary.

Keywords:
Adrenal CTAdrenal MR imagingAdrenal noduleIncidentaloma

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Area of Science:

  • Radiology
  • Endocrinology
  • Oncology

Background:

  • Adrenal nodules are frequently discovered incidentally, with increasing prevalence in older populations.
  • While most adrenal nodules are benign, distinguishing them from potentially malignant or functioning masses is critical for patient management.
  • Accurate radiologic assessment is essential to determine the need for further diagnostic evaluation.

Purpose of the Study:

  • To summarize the American College of Radiology's (ACR) expert consensus algorithm for managing incidentally detected adrenal nodules.
  • To outline the appropriate diagnostic pathway for incidental adrenal nodules based on size and imaging characteristics.
  • To emphasize the importance of excluding functioning adrenal masses through biochemical testing and endocrinology referral.

Main Methods:

  • Review of the American College of Radiology incidental adrenal White Paper.
  • Application of a structured algorithm based on expert consensus for nodule management.
  • Guidance on the use of adrenal computed tomography (CT) for nodules < 4 cm.
  • Integration of biochemical testing and endocrinology referral for suspected functioning masses.

Main Results:

  • The ACR algorithm provides a standardized approach to incidental adrenal nodule management.
  • Adrenal CT is recommended for further evaluation of nodules smaller than 4 cm.
  • Biochemical testing and endocrinology referral are indicated to rule out functional adrenal tumors.

Conclusions:

  • Incidental adrenal nodules require careful evaluation to differentiate benign from potentially significant lesions.
  • The ACR algorithm offers a reliable framework for the radiologist to manage these common findings.
  • A combination of imaging, biochemical assessment, and specialist referral ensures comprehensive patient care for incidental adrenal nodules.