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Figure 1: Case 1: A 6-year old girl with a pseudoaneurysm secondary to a traumatic injury to the left extracranial internal carotid artery. The anteroposterior (a) and lateral three-dimensional (3D) reconstruction (b) images of cerebral angiograms of the left internal carotid artery revealed a wide-necked pseudoaneurysm (arrow) on the left extracranial internal carotid artery, with stenosis at the proximal part of the parent artery (arrow head). (c) The Willis covered stent bridging the orifice of the pseudoaneurysm as well as the arterial stenosis (arrows) can be clearly seen on a 320-row sagittal 3D reconstruction cerebral angiographic image after the stent placement. The anteroposterior (d) and lateral 3D reconstruction (e) image of the cerebral angiogram of the left internal carotid artery demonstrates complete occlusion of the pseudoaneurysm sac immediately after placement of a covered stent, with obliteration of the stenosis of the parent artery. The follow-up 320-row sagittal 3D-CTA reconstruction image (f) 4 months after the procedure demonstrates asymptomatic recurrence of the pseudoaneurysm (arrow) with maintained patency of the parent artery

Figure 1: Case 1: A 6-year old girl with a pseudoaneurysm secondary to a traumatic injury to the left extracranial internal carotid artery. The anteroposterior (a) and lateral three-dimensional (3D) reconstruction (b) images of cerebral angiograms of the left internal carotid artery revealed a wide-necked pseudoaneurysm (arrow) on the left extracranial internal carotid artery, with stenosis at the proximal part of the parent artery (arrow head). (c) The Willis covered stent bridging the orifice of the pseudoaneurysm as well as the arterial stenosis (arrows) can be clearly seen on a 320-row sagittal 3D reconstruction cerebral angiographic image after the stent placement. The anteroposterior (d) and lateral 3D reconstruction (e) image of the cerebral angiogram of the left internal carotid artery demonstrates complete occlusion of the pseudoaneurysm sac immediately after placement of a covered stent, with obliteration of the stenosis of the parent artery. The follow-up 320-row sagittal 3D-CTA reconstruction image (f) 4 months after the procedure demonstrates asymptomatic recurrence of the pseudoaneurysm (arrow) with maintained patency of the parent artery