Aortoesophageal fistula: A case misdiagnosed as esophageal polyp

Figure 1 Gastroscopy showing a 4 cm fusiform polyp (black arrow) in mid-esophagus.

Figure 2 Gastroscopy showing an orifice-like lesion on the top surface of the polyp (black arrows). A: 1st; B: 2nd.

Figure 3 Barium radiography reported a 2 cm filling defect (black arrow) in the mid-esophagus.

Figure 4 A subsequent enhanced computed tomography (CT) showing a descending aortic pseudoaneurysm (black arrow).

Figure 5 Aortography. The contrast extravasated from the descending aorta rupture with a diameter of about 0.5 cm (black arrow).