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Multiple rheumatoid nodules of the renal cortex
A R Schned1, M Moran, S M Selikowitz
1Department of Pathology, Veterans Administration Medical Center, White River Junction, VT 05001.
Archives of Internal Medicine
|April 1, 1990
Summary
This study details a rare case of rheumatoid nodules found in the kidney cortex of a patient with rheumatoid arthritis. The findings suggest a potential link between these nodules and chronic pyelonephritis through immune mechanisms.
Area of Science:
- Nephrology
- Rheumatology
- Immunology
Background:
- Rheumatoid arthritis is a chronic autoimmune disease.
- Rheumatoid nodules are a common extra-articular manifestation.
- Renal involvement in rheumatoid arthritis is uncommon.
Observation:
- A large, localized collection of rheumatoid nodules was identified in the renal cortex.
- The patient had a history of long-standing seropositive rheumatoid arthritis.
- The urinary tract is an exceptionally rare site for rheumatoid nodules.
Findings:
- This report documents only the third known case of renal rheumatoid nodules.
- The presence of nodules may be associated with chronic pyelonephritis.
- Immunologically mediated mechanisms are proposed as a potential link.
Implications:
- Highlights the potential for unusual presentations of rheumatoid arthritis complications.
- Suggests a need for further investigation into the immunopathology of renal rheumatoid nodules.
- Informs clinical awareness regarding rare renal manifestations in rheumatoid arthritis patients.
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