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

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Published on: September 15, 2017

Adrenal venous sampling for catecholamines: a normal value study.

E Marie Freel1, Anthony W Stanson, Geoffrey B Thompson

  • 1Division of Endocrinology, Diabetes, Metabolism, Nutrition, and Internal Medicine, Mayo Clinic Rochester, 200 First Street SW, Rochester, Minnesota 55905, USA.

The Journal of Clinical Endocrinology and Metabolism
|January 12, 2010
PubMed
Summary
This summary is machine-generated.

Adrenal venous sampling (AVS) shows wide variations in catecholamine levels, even in patients without pheochromocytoma. These findings suggest AVS is unreliable for diagnosing adrenal pheochromocytoma.

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Area of Science:

  • Endocrinology
  • Nephrology
  • Oncology

Background:

  • Pheochromocytomas are rare, potentially fatal tumors.
  • Diagnosing and localizing pheochromocytomas can be challenging.
  • The role of adrenal venous sampling (AVS) in diagnosis is debated due to lack of normative data.

Purpose of the Study:

  • To establish reference ranges for adrenal vein catecholamine concentrations.
  • To assess the reliability of lateralization ratios in AVS.
  • To analyze AVS catecholamine concentrations in patients without pheochromocytoma.

Main Methods:

  • Eighteen patients with cortisol-producing adrenal masses underwent AVS.
  • Patients had normal 24-h urinary catecholamine and metanephrine excretion.
  • Adrenal vein catecholamine concentrations were analyzed.

Main Results:

  • Wide ranges of epinephrine and norepinephrine were observed in both adrenal veins.
  • The right adrenal vein-to-left adrenal vein epinephrine gradient reached 83:1.
  • Statistically significant higher concentrations were found in the right adrenal vein for both catecholamines.

Conclusions:

  • This study provides reference ranges for adrenal vein catecholamines in non-pheochromocytoma patients.
  • Significant variations in catecholamine levels highlight AVS unreliability.
  • AVS is not recommended for investigating adrenal pheochromocytoma.