CTICasesDiffuse alveolar hemorrhage
Imaging findings
Chest CT shows diffuse, bilateral centrilobular acinar nodules sparing the subpleural spaces and fissures, in a young patient presenting with acute hemoptysis and dyspnea after vaping.
Key takeaways
Vaping-associated lung injury can manifest as acute diffuse alveolar hemorrhage, presenting on CT as centrilobular nodules with subpleural and fissural sparing. Detailed exposure history is critical for differentiating it from infectious or vasculitic hemorrhage.
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