What is the most likely diagnosis?
- 63 year-old male with history of arthritis
Frontal Chest Radiograph
- Histiocytosis X
- Septic Emboli
- Erosive Osteoarthritis
- Rheumatoid Nodules
- Reactive Arthritis
Additional Images - Axial CT images of the chest
Additional Images
Axial CT images of the chest
Answer:
4. Rheumatoid Nodules
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Rheumatoid Nodules
General Considerations
- Rare
- Immune-mediated granulomas frequently with necrotic centers
- They are almost always associated with long, standing active rheumatoid arthritis
- More frequent in males with high titers for rheumatoid factor
- Also more frequent in smokers and those who already have subcutaneous nodules