PMC6134483_01
Coronal contrast-enhanced CT image shows aortic arch saccular aneurysm (A) slightly compressing the origin of the left common carotid artery (arrow).. Ao: ascending aorta.. *Brachiocephalic trunk.
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There was a second aneurysm with mural thrombus arises from the proximal descending aorta, distal to the origin of left subclavian artery (Figures 1 and 2).
Coronal contrast-enhanced CT image posterior to Figure 1 shows two saccular aneurysms (A and B). Aneurysm A arises from the aortic arch proximal to left subclavian artery, compressing the proximal part of the left subclavian artery (arrow). Aneurysm B with mural thrombus (#) arises from the proximal descending aorta, distal to the origin of left subclavian artery (arrow).
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There was a second aneurysm with mural thrombus arises from the proximal descending aorta, distal to the origin of left subclavian artery (Figures 1 and 2).
Axial contrast-enhanced CT image shows that the saccular aortic arch aneurysm (A) displaces the trachea (T) and oesophagus (O) to the right. The tracheal is partly compressed by the aneurysm.
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A subsequent CT angiogram with contrast showed a 4.6 cm x 3.5 cm saccular aneurysm in the arch of the aorta causing mild compression of the origin of left carotid and left subclavian arteries with mild displacement of trachea and oesophagus (Figure 3).