CTICasesAortic Dissection with Endograft Collapse and Distal Occlusion
Imaging findings
A new dissection flap is observed in the descending aorta causing profound collapse of a previously placed abdominal aortic endograft, particularly in the stent limbs. The true lumen is severely compressed, and all vessels distal to the collapsed stent are occluded.
Key takeaways
Aortic dissection can lead to dramatic endograft collapse and subsequent occlusion of distal vessels, resulting in severe end-organ ischemia (e.g., lower extremity ischemia). This represents a critical and emergent complication requiring surgical intervention.
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