CTICasesEVALI with duplicated superior vena cava
Imaging findings
CT scan of a young male with acute dyspnea shows extensive ground-glass opacities with prominent subpleural sparing, perilobular thickening, and septal thickening. In addition, there is a duplicated superior vena cava (persistent left SVC) draining into a dilated coronary sinus.
Key takeaways
Subpleural sparing of ground-glass opacities is a common, though non-specific, feature of vaping-associated lung injury (EVALI). Finding a dilated coronary sinus on non-contrast CT should prompt evaluation for a persistent left SVC.
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