CTICasesTracheoesophageal Fistula (Post-Radiation for Tracheal SCC)
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Imaging findings
CT shows significant soft tissue invading the mediastinum from a tracheal squamous cell carcinoma, with a stent in place. A clear communication is visible between the trachea and the esophagus, demonstrating extraluminal gas in the trachea communicating with the esophageal lumen. A complex pleural collection is also present.
Key takeaways
Tracheoesophageal fistula is a known complication of tracheal squamous cell carcinoma, particularly following radiation treatment. This case clearly demonstrates the communication between the airways and the esophagus, which can lead to aspiration and mediastinal or pleural infection.
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