CTICasesBiomass fuel-induced pneumoconiosis
Imaging findings
Chest CT shows progressive growth and coalescence of bilateral pulmonary nodules, subpleural pseudo-plaques, and eggshell-calcified mediastinal and hilar lymph nodes, associated with extensive mosaic attenuation reflecting small airways disease, in a lifelong non-smoking woman who cooked over biomass dung fires.
Key takeaways
Chronic exposure to biomass fuel smoke from cooking in poorly ventilated spaces can cause severe small airways disease and a pneumoconiosis-like picture. This is characterized by growing, coalescing pulmonary nodules, pseudo-plaques, and eggshell calcification of lymph nodes, mimicking coal worker's pneumoconiosis or silicosis.
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