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Published on: February 25, 2022
Mineral Oil Aspiration Related Juvenile Idiopathic Arthritis
Andrew D Nelson1, Philip R Fischer2, Ann M Reed3
1Mayo Clinic College of Medicine, Rochester, MN 55905, USA.
Abstract:
We describe the development of rheumatoid factor-positive migratory polyarthritis in a 5-year-old male who had been administered bidaily oral mineral oil as a laxative since birth. Minor respiratory symptoms, radiographic and bronchoscopic findings were consistent with chronic lipoid pneumonia. We speculate that immune sensitization to mineral oil promoted the clinical syndrome of juvenile idiopathic arthritis.
Insights
Mineral oil laxative use in a child may trigger rheumatoid factor-positive polyarthritis and chronic lipoid pneumonia. Immune sensitization to mineral oil is a potential cause of juvenile idiopathic arthritis.
Area of Science:
- Pediatric Rheumatology
- Pulmonology
- Immunology
Background:
- Rheumatoid factor-positive migratory polyarthritis is a complex condition in children.
- Chronic lipoid pneumonia can arise from chronic aspiration or ingestion of lipid-based substances.
- Juvenile idiopathic arthritis (JIA) has diverse etiologies, with some cases potentially linked to environmental factors.
Purpose of the Study:
- To report a unique case of rheumatoid factor-positive migratory polyarthritis in a pediatric patient.
- To investigate the potential link between long-term mineral oil ingestion and the development of autoimmune and respiratory conditions.
- To explore the hypothesis that immune sensitization to mineral oil may contribute to juvenile idiopathic arthritis.
Main Methods:
- Case report of a 5-year-old male with migratory polyarthritis.
- Review of clinical symptoms, including respiratory issues.
- Analysis of radiographic and bronchoscopic findings.
- Assessment of rheumatoid factor status.
Main Results:
- The patient developed rheumatoid factor-positive migratory polyarthritis.
- Findings were consistent with chronic lipoid pneumonia.
- Long-term, bidaily oral mineral oil administration since birth was noted.
Conclusions:
- Chronic mineral oil exposure may lead to lipoid pneumonia.
- Immune sensitization to mineral oil is speculated as a potential trigger for juvenile idiopathic arthritis in this case.
- This case highlights a possible environmental contribution to pediatric autoimmune rheumatic diseases.

