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Figure 2: Case 12: A 20-year old male patient with a pseudoaneurysm secondary to a traumatic injury to right extracranial internal carotid artery. The anteroposterior (a) and lateral (b) cerebral angiograms of the right internal carotid artery reveal a giant pseudoaneurysm on the right extracranial internal carotid artery, with stenosis of the parent artery in close proximity to the neck of the pseudoaneurysm. The anteroposterior (c) and lateral (d) images of cerebral angiograms of the right internal carotid artery demonstrate complete occlusion of the pseudoaneurysmal sac immediately after placement of a Willis covered stent, with recovery of the luminal patency of the parent artery. (e) The Willis covered stent bridging the orifice of the pseudoaneurysm and the luminal stenosis can be clearly seen on sagittal 3D reconstruction cerebral angiographic images 6-month after the procedure. The follow-up 320-row 3D-CTA reconstruction images (f), 18 months after the stent placement, demonstrates that the traumatic pseudoaneurysm is completely occluded by the Willis covered stent (arrow), with preservation of the luminal patency of the parent artery

Figure 2: Case 12: A 20-year old male patient with a pseudoaneurysm secondary to a traumatic injury to right extracranial internal carotid artery. The anteroposterior (a) and lateral (b) cerebral angiograms of the right internal carotid artery reveal a giant pseudoaneurysm on the right extracranial internal carotid artery, with stenosis of the parent artery in close proximity to the neck of the pseudoaneurysm. The anteroposterior (c) and lateral (d) images of cerebral angiograms of the right internal carotid artery demonstrate complete occlusion of the pseudoaneurysmal sac immediately after placement of a Willis covered stent, with recovery of the luminal patency of the parent artery. (e) The Willis covered stent bridging the orifice of the pseudoaneurysm and the luminal stenosis can be clearly seen on sagittal 3D reconstruction cerebral angiographic images 6-month after the procedure. The follow-up 320-row 3D-CTA reconstruction images (f), 18 months after the stent placement, demonstrates that the traumatic pseudoaneurysm is completely occluded by the Willis covered stent (arrow), with preservation of the luminal patency of the parent artery