CTICasesChronic Traumatic Aortic Pseudoaneurysm
Imaging findings
Spine radiograph and CT chest show a large, heavily calcified pseudoaneurysm arising from the aortic isthmus, causing mass effect and rightward deviation of the trachea. The patient has a remote history of a motorcycle crash 40 years ago.
Key takeaways
Blunt aortic injury (typically at the isthmus) can heal into a chronic pseudoaneurysm. Over decades, the wall becomes heavily calcified. These lesions can remain asymptomatic for years, representing a late sequela of prior thoracic trauma, and can be discovered incidentally on spine imaging.
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