CTICasesVaping-Associated Lung Injury (EVALI)
Imaging findings
CT chest shows diffuse crazy paving, bilateral ground-glass opacities with subpleural sparing, and mild bronchovascular wall thickening. The patient has a history of heavy THC and tobacco vaping, and COVID-19 PCR testing was negative.
Key takeaways
E-cigarette or vaping product use-associated lung injury (EVALI) can present with acute respiratory symptoms, fever, and leukocytosis, mimicking COVID-19. The presence of crazy paving, ground-glass opacities, and subpleural sparing are classic CT features of EVALI. Clinicians must actively query patients about vaping habits to avoid delayed diagnosis.
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