CTICasesSubglottic Stenosis from Smoke Inhalation
Imaging findings
CT neck and chest shows severe concentric narrowing of the subglottic tracheal lumen, developing after smoke inhalation injury and prolonged endotracheal intubation, with subsequent CT showing pneumomediastinum post-dilation.
Key takeaways
Subglottic stenosis is a severe complication of thermal/chemical inhalation injury or prolonged intubation, resulting from mucosal necrosis and cicatricial scarring. Subsequent therapeutic dilations can cause subclinical tracheal perforation, manifesting as pneumomediastinum.
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