CTICasesHut Lung
Imaging findings
Chest CT in a 77-year-old woman with a history of lifelong wood smoke exposure from cooking stoves demonstrates diffuse bronchiolitis obliterans, air trapping, mosaic attenuation, and mild peribronchial thickening and reticulation. There is no evidence of discrete metastatic nodules.
Key takeaways
Hut lung (biomass smoke-induced pneumopathy) is a chronic lung disease caused by long-term inhalation of smoke from burning biomass fuels (wood, crop residues, dung) in poorly ventilated indoor or outdoor cooking settings. It is characterized by a combination of bronchiolitis obliterans, air trapping, and chronic hypersensitivity pneumonitis-like fibrosis, and represents a preventable occupational/exposure-related lung disease.
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