Related Experiment Video
Updated: Nov 20, 2025

A Novel Method: Super-selective Adrenal Venous Sampling
Published on: September 15, 2017
Nonfunctioning Adrenal Incidentalomas are not Clinically Silent: A Longitudinal Cohort Study.
Jung Hee Kim1, Min Joo Kim2, Jung Hyun Lee1
1From the (1)Department of Internal Medicine, Seoul National University Hospital, Seoul National University College of Medicine.
Nonfunctioning adrenal incidentalomas (NFAIs) are linked to prevalent diabetes and hypertension. However, NFAIs did not influence the development of new cardiometabolic diseases in this study.
Area of Science:
- Endocrinology
- Cardiology
- Metabolic Diseases
Background:
- Nonfunctioning adrenal incidentalomas (NFAIs) are adrenal tumors not producing excess hormones.
- The association between NFAIs and cardiometabolic diseases like diabetes and hypertension is not fully understood.
- This study aimed to clarify the relationship between NFAIs and prevalent/incident cardiometabolic diseases.
Purpose of the Study:
- To investigate the association between nonfunctioning adrenal incidentalomas (NFAIs) and prevalent cardiometabolic diseases.
- To determine if NFAIs increase the risk of developing new cardiometabolic diseases over time.
- To compare cardiometabolic disease prevalence and incidence in patients with NFAIs versus controls.
Main Methods:
- Retrospective cohort study comparing 154 patients with NFAIs to 462 matched controls.
- Data collected via electronic medical records for comorbidities at baseline and during a mean 7.5-year follow-up.
- Logistic regression for prevalent diseases and survival analysis for incident diseases.
Main Results:
- NFAI patients had higher BMI, diabetes mellitus, hypertension, and insulin resistance compared to controls.
- Adjusted odds ratios showed significantly higher odds for diabetes (1.89) and hypertension (2.26) in the NFAI group.
- No significant difference in the incidence of new cardiometabolic diseases between NFAI and control groups.
Conclusions:
- NFAIs are associated with prevalent diabetes mellitus and hypertension.
- The presence of NFAIs did not predict the future development of cardiometabolic diseases.
- Further research may explore the underlying mechanisms linking NFAIs to existing cardiometabolic conditions.
Related Concept Videos
Adrenal Gland Disorders
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...
Anatomy of the Adrenal Glands
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...
Hormones of the Adrenal Glands
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...
Sympathetic Pathways: Collateral Ganglia and Adrenal Medulla
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...
Angina II: Classification
Hypertension III: Clinical Manifestations and Diagnostic Studies

