CTICasesAluminosis with organizing pneumonia
Imaging findings
Chest CT shows dense calcified/mineralized mediastinal lymph nodes and stippled centrilobular nodules representing small airways disease. Biopsy demonstrated a diffuse organizing pneumonia pattern, and electron beam analysis confirmed high levels of aluminum.
Key takeaways
Aluminosis is a pneumoconiosis caused by aluminum dust exposure (e.g., in welders). It can cause dense lymphadenopathy and small airways disease, histologically manifesting as organizing pneumonia.
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