CTICasesEndoleak due to Stent Buckling and Migration in Thoracoabdominal Aortic Aneurysm
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Imaging findings
Serial CT angiograms demonstrate an enlarging thoracoabdominal aortic aneurysm that is refilling with contrast, indicating an endoleak. The stent graft is observed to be buckled and migrated proximally, backing into the aneurysm sac, resulting in a distal type 1B endoleak. Post-intervention imaging shows the stent extended to cover the celiac axis and straightened.
Key takeaways
Stent graft complications such as buckling and migration can lead to endoleaks (e.g., type 1B) and aneurysm re-pressurization and enlargement. Close follow-up is necessary to detect such complications, which may require stent extension or revision.
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