CTICasesSpontaneous Aortoesophageal Fistula
Imaging findings
CT chest shows a spontaneous fistulous connection between the descending thoracic aorta and the esophagus. There is esophageal wall thickening and contrast extravasation directly into the esophageal lumen and stomach. The patient was treated with a thoracic stent graft.
Key takeaways
Aortoesophageal fistula is a rare, highly fatal condition. While typically caused by malignancies, foreign bodies, or surgery, spontaneous cases can occur due to severe esophagitis or chronic ulcers. Endovascular stent-grafting is used as an acute life-saving measure.
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