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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.
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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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Hyperthyroidism is a type of thyrotoxicosis characterized by the thyroid gland's overproduction of the thyroid hormones triiodothyronine (T3) and thyroxine (T4). This hormone excess increases the basal metabolic rate and enhances sensitivity to catecholamines.DiagnosisDiagnosis is based on clinical features and biochemical testing. It typically shows suppressed thyroid-stimulating hormone (TSH) levels below 0.4 mIU/L, with elevated free T3 and/or T4. Additional tests, including thyroid...
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Sophisticated imaging reveals adrenal incidentalomas, necessitating biochemical tests for adrenal function. This review details diagnosing hyperaldosteronism and its causes, crucial for hypertension management.

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Area of Science:

  • Endocrinology
  • Nephrology
  • Oncology

Background:

  • High-resolution imaging increases incidental adrenal mass detection (adrenal incidentalomas).
  • Biochemical assessment of adrenal function is crucial for managing these findings.
  • Testing focuses on adrenal medulla (catecholamines) and cortex (cortisol, aldosterone).

Purpose of the Study:

  • To review diagnostic approaches for hyperaldosteronism in patients with adrenal incidentalomas.
  • To discuss the characterization of hyperaldosteronism aetiology.
  • To cover monogenetic causes and differential diagnosis of aldosterone-producing adenomas.

Main Methods:

  • Review of current literature and clinical guidelines.
  • Focus on biochemical testing strategies for adrenal hormone excess.
  • Discussion of genetic and molecular findings in mineralocorticoid hypertension.

Main Results:

  • Plasma metanephrine measurements simplify adrenal medulla testing.
  • Diagnosing hypercortisolism remains challenging.
  • Excluding hyperaldosteronism is vital beyond blood pressure control in incidentaloma cases.

Conclusions:

  • Standardized biochemical testing is essential for adrenal incidentaloma evaluation.
  • Accurate diagnosis of hyperaldosteronism requires specific testing protocols.
  • Understanding the molecular basis aids in differentiating aldosterone-producing adenomas.