CTICasesPseudoaneurysm of the Ascending Aorta
Imaging findings
The case involved an extremely large mass near the ascending aorta, initially interpreted as a mediastinal mass on non-contrast imaging. Contrast-enhanced imaging revealed a large pseudoaneurysm originating from the patient's prior aortotomy site.
Key takeaways
If asked to biopsy a suspected mediastinal mass with any possibility of a vascular etiology, always demand a contrast-enhanced study to rule out vascular pathology such as a pseudoaneurysm.
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