CTICasesAortic Arch Dissection with Arch Calcification Displacement
Imaging findings
Chest radiographs and CT show acute widening of the aortic arch and displacement of intimal calcification from the outer wall. CT chest confirms a Type A aortic dissection with stagnant flow (contrast level) in the false lumen and hemopericardium.
Key takeaways
Widening of the aortic contour and displacement of intimal calcification by more than 1 cm on chest radiographs are classic signs of aortic dissection. Hemopericardium from retrograde extension into the aortic root is a surgical emergency.
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