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Figure 6a. Pseudoaneurysm of the ascending aorta 2 weeks after endovascular repair of a descending aortic aneurysm in a 78-year-old man with severe arteriosclerosis. (a) Anteroposterior angiogram obtained at the time of the endovascular procedure shows no pseudoaneurysm. (b) Axial thin-slab MIP image shows a partially thrombosed pseudoaneurysm originating from the ascending aorta (arrow). (c) Coronal thin-slab MIP image shows the pseudoaneurysm as a saccular outpouching, which is demarcated from the aortic lumen by a collar (arrowheads). (d) Sagittal volume rendered image shows severe arteriosclerosis, a stent-graft in the descending aorta, and the perfused region of the pseudoaneurysm (arrow).
