case_images: PMC4797531_01
case_images: Computed tomography angiography and digital subtraction angiography indicated the double aortic arch (a, b, and f) and the aneurysm in left internal carotid artery (c, d, and g). Magnetic resonance imaging showed a new infarction lesion in left thalamus (e). Local angiography demonstrated complete occlusion of the aneurysm after operation (h).
case_images: CMJ-129-112-g001.jpg
case_images: PMC4797531_01_CMJ-129-112-g001.jpg
case_images: F1
case_images: Further, head and neck computed tomography angiography (CTA) showed a complete DAA and a dissecting aneurysm in the distal C1 segment of the left internal carotid artery (ICA) [Figure 1a-1d]. Then, a rechecked MRI showed a new infarction lesion located in the left thalamus [Figure 1e]. DAA (a complete vascular ring) and the dissecting aneurysm [Figure 1f-1g] were confirmed by DSA. Control angiography demonstrated complete occlusion of the aneurysm, and distal ICA territory was seen filling [Figure 1h].