Related Experiment Video
Updated: Jun 19, 2026

13:01
Anti-Nuclear Antibody Screening Using HEp-2 Cells
Published on: June 23, 2014
A COMPARATIVE STUDY OF SUBCUTANEOUS NODULES IN RHEUMATIC FEVER AND RHEUMATOID ARTHRITIS
1Department of Medicine of the College of Physicians and Surgeons, Columbia University, and the Arthritis Clinic of the Presbyterian Hospital, New York.
The Journal of Experimental Medicine
|October 30, 2009
Summary
Subcutaneous nodules in rheumatic fever and rheumatoid arthritis are characteristic lesions, potentially representing different phases of the same pathological process. Further studies suggest these diseases may be related responses to a common etiological agent.
Area of Science:
- Rheumatology
- Pathology
- Immunology
Background:
- Rheumatic fever and rheumatoid arthritis are distinct clinical entities.
- Understanding the relationship between these diseases is crucial for diagnosis and treatment.
- Subcutaneous nodules are observed in both conditions, prompting comparative investigation.
Purpose of the Study:
- To comparatively analyze subcutaneous nodules in rheumatic fever and rheumatoid arthritis.
- To investigate the potential relationship between rheumatic fever and rheumatoid arthritis.
- To determine if observed lesions support a shared pathological process.
Main Methods:
- Comparative histological study of subcutaneous nodules.
- Analysis of clinical data from patients with rheumatic fever and rheumatoid arthritis.
- Review of existing serological investigations.
Main Results:
- Subcutaneous nodules in both diseases exhibit characteristic features.
- These lesions may represent different stages of a common underlying pathological process.
- Identical or similar lesions do not solely confirm an etiological relationship.
Conclusions:
- Subcutaneous nodules are highly characteristic of both rheumatic fever and rheumatoid arthritis.
- The findings suggest a potential link and shared pathological basis between the two diseases.
- Further research, including comparative clinical and serological studies, supports the conception of rheumatic fever and rheumatoid arthritis as related responses to a common etiological agent.
Related Concept Videos
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies
The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
Rheumatic Heart Disease I: Introduction
Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
Genome-wide Association Studies-GWAS
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
GWAS does not require the identification of the target gene involved in...