PMC4764720_01
(a) Axial enhanced CT scan. Mediastinal collection with air bubbles within it (white arrow). (b) Axial contrast enhanced CT scan. Pseudoaneurysm of the thoracic aorta (white arrow).
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fig1
The CT scan showed the presence of a pseudoaneurysm of the thoracic aorta, thickening of the esophageal wall, and abnormal density of the mediastinal fat with air bubbles within it that suggested mediastinitis. There was no evidence of contrast material extravasation from the esophageal lumen (Figure 1).
CT scan using oral hydrosoluble contrast material: (a) axial and (b) coronal reconstruction. (a) There is leakage of the contrast material from the esophagus to the posterior mediastinum (white arrow); the aortic stent was placed demonstrating that the esophageal wall is perforated. (b) Mediastinal collection with air bubbles within it (white arrow), surrounding the aorta with the stent placed in an adequate position.
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fig2
Leakage of the contrast material to the posterior mediastinum, approximately 6 cm below the carina, was clearly seen (Figure 2).