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Enlarged epitrochlear lymph nodes: an old physical sign revisited
C D Selby1, H S Marcus, P J Toghill
1Department of Respiratory Medicine, University of Edinburgh.
Journal of the Royal College of Physicians of London
|April 1, 1992
Summary
Palpable epitrochlear nodes are uncommon in healthy individuals but frequently indicate underlying conditions like infections or lymphoproliferative disorders. Routine examination of these glands can aid in diagnosing various diseases.
Area of Science:
- Clinical Medicine
- Diagnostic Signatures
- Lymphatic System Anatomy
Background:
- Epitrochlear glands are often overlooked in routine physical examinations.
- Palpable epitrochlear nodes are not typically found in healthy subjects.
Purpose of the Study:
- To investigate the diagnostic significance of palpable epitrochlear lymph nodes.
- To determine the prevalence of epitrochlear lymphadenopathy in various disease states.
Main Methods:
- Physical examination of epitrochlear glands in healthy subjects and patients with various diseases.
- Correlation of epitrochlear node palpability with specific diagnoses.
Main Results:
- No palpable epitrochlear nodes were detected in 140 healthy individuals.
- Palpable epitrochlear nodes were present in 27% of 184 patients with lymphadenopathy-associated diseases.
- Enlarged epitrochlear nodes are associated with specific infections, lymphoproliferative disorders (excluding Hodgkin's disease), and active rheumatoid arthritis.
Conclusions:
- Epitrochlear lymph node examination is a valuable diagnostic sign.
- Palpable epitrochlear glands can help differentiate conditions such as glandular fever and indicate rheumatoid arthritis activity.
- Routine assessment of epitrochlear nodes is recommended for ill patients.