CTICasesE-cigarette or Vaping Product Use-Associated Lung Injury (EVALI)
Imaging findings
Chest radiograph and chest CT demonstrate diffuse, symmetric, fuzzy, and smudgy centrilobular nodules throughout both lungs with associated interlobular septal thickening, relative basilar sparing, and a normal heart size without evidence of pulmonary hypertension.
Key takeaways
E-cigarette or vaping product use-associated lung injury (EVALI) frequently presents as diffuse centrilobular nodules with a smudgy, ill-defined appearance on CT, indicating airway-centered inflammation rather than a vasculitic process. Prompt diagnosis and treatment with corticosteroids typically lead to rapid clinical and radiographic improvement.
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