A 26-year-old male urgently sought medical attention due to 3 days of chest and abdominal pain and 2 h of haematemesis. Physical examination revealed a body temperature of 38.2°C, a heart rate of 85 b.p.m., and blood pressure of 134/77 mmHg. The patient had a history of mistakenly ingesting fish bones and forcefully swallowing food a week prior, subsequently experiencing recurrent pain and discomfort. Enhanced chest computed tomography showed a fish bone (Panels A, B, D, and E, black arrow) adjacent to the oesophagus (Panel A, black asterisk), with a pseudoaneurysm (Panels AE, white asterisk) visible near the thoracic aorta, surrounded by gas (Panels A and CE, white arrow). The diagnosis was a pseudoaneurysm formation resulting from the penetration of the oesophagus and thoracic aorta by the fish bone (Videos 1 and 2). The patient underwent endovascular stent graft implantation (Panel F) and thoracotomy to repair the oesophagus, remove the fish bone, and clear the abscess. The patient was discharged after a successful postoperative recovery.

A 26-year-old male diagnosed with pseudoaneurysm formation resulting from the penetration of the oesophagus and thoracic aorta by a fish bone. (A) The axial image. (B) The maximum intensity projection images. (C) The oblique coronal minimum intensity projection image. A fish bone (A and B, black arrow) is located adjacent to the oesophagus (A, black asterisk), with a visible pseudoaneurysm (A–C, white asterisk) near the thoracic aorta, surrounded by gas (A and C, white arrow). (D and E) 3D computed tomography fusion images show a fish bone (black arrow), a pseudoaneurysm (white asterisk), and gas (white arrow). (F) Volume-rendered images depict the process of undergoing endovascular stent graft implantation

Supplementary data are available at European Heart Journal online.

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Supplementary data