CTICasesDab Lung (Butane Hash Oil-Induced Bronchiolitis and Organizing Pneumonia)
Imaging findings
High-resolution chest CT shows a severe, bilateral, lower-lung predominant tree-in-bud bronchiolitis pattern with airway-centered nodularity, bronchial wall thickening, and areas of organizing pneumonia. Mediastinal and hilar lymphadenopathy is also prominent.
Key takeaways
Dabbing involves inhaling highly concentrated tetrahydrocannabinol (THC) butane hash oil (BHO) vaporized at very high temperatures. This practice can introduce toxic solvent residues, contaminants, and thermal burn products into the small airways, leading to a severe acute bronchiolitis and bronchiolocentric organizing pneumonia (BOP) that mimic atypical infections or hantavirus.
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