Stent placement in a basilar artery stenosis

Slides:



Advertisements
Similar presentations
A 65-year-old woman with headache, blurry vision, and arm weakness
Advertisements

A 55-year-old woman with brain stem compression from a partially thrombosed PICA aneurysm. A 55-year-old woman with brain stem compression from a partially.
Axial source images of left severe ICA stenosis; small residual lumen with vessel wall plaque and thick calcification on the sides. Axial source images.
A and B, Sagittal (A) and axial (B) fast spin-echo images of the cervical spine before treatment demonstrate diffuse increase in signal intensity (arrows)
Anteroposterior oblique views of the basilar artery.
Two angiographically occult additional microaneurysms adjacent to a ruptured posterior inferior cerebellar artery aneurysm in a 53-year-old woman. Two.
VW-MR imaging to differentiate among causes of intracranial arterial stenosis when angiography findings are inconclusive. VW-MR imaging to differentiate.
A case with near-occlusion with full collapse, reprinted with permission from Fox et al.1 Lateral common carotid angiogram shows the thin, threadlike,
A 39-year-old man with Hunt-Hess grade 1 subarachnoid hemorrhage
A, MIP of 3 mm thickness of the 1.5T scan.
A, Axial source image from a contrast-enhanced MRA unambiguously demonstrates a tiny (
Preoperative 3D angiogram (A) shows a very wide-neck large ICA aneurysm. Preoperative 3D angiogram (A) shows a very wide-neck large ICA aneurysm. It could.
A 40-year-old man who presented with left-sided pulsatile tinnitus.
Continued. Continued. E, Light microscopic image of the left hippocampus obtained by amygdalohippocampectomy reveals extensive neuronal loss and gliosis.
Evolution of imaging for internal auditory canal CPA cistern masses.
Sidewall aneurysm of the left vertebral artery (A).
A 7-month-old boy with left hemimegalencephaly
Scout suture evaluation.
Images obtained in an 86-year-old man with scoliosis and spinal stenosis.A, In patients such as this one, contrast medium may appear to be within the thecal.
TOF MIP image (A), TWIST arterial phase subtracted MIP image (B), and HR MRA subtracted MIP image (C) demonstrate ulcerated plaque of the left ICA in an.
T2-weighted images of a patient with an infarction within the anterior MCA branch territory on day 5 (patient 15) show high SI changes within the ipsilateral.
A, Oblique posttraumatic angiogram of a left cavernous ICA aneurysm
Endovascular treatment was performed approximately 8 months after the patient’s initial diagnosis. Endovascular treatment was performed approximately 8.
AP (A) and lateral (B) radiographs demonstrating a discontinuous segment of the catheter, with broken catheter ends in the subcutaneous tissue of the lower.
Normal apical ligament (arrow) and normal anterior atlantoaxial ligament (arrowhead) in the diagram (A) and the midsagittal T2-weighted MR image (B) in.
A, Initial fluoroscopic spot image (A) demonstrating disconnection at the pump connector (arrow). A, Initial fluoroscopic spot image (A) demonstrating.
Coronal fluid-sensitive MR images through the bilateral Meckel caves of all patients with asymmetric Meckel cave enlargement. Coronal fluid-sensitive MR.
Balloon angioplasty for treatment of atherosclerotic occlusion.
A, Oblique angiogram of the left carotid artery reveals two posttraumatic aneurysms. A, Oblique angiogram of the left carotid artery reveals two posttraumatic.
Pial vasodilation. Pial vasodilation. A, Axial GRE T2 image shows a left frontal sulcal SAH (black arrowhead), possibly located in the “watershed” territory.
A 41-year-old man and his son had positive genetic testing for LDS type 1 after he had intracranial hemorrhage as a complication of dissection and some.
A, Giant right carotico-ophthalmic aneurysm
Single-frame images from left common carotid rotational angiography before (A) and after (B) endovascular treatment demonstrate correction of the arterial.
Images obtained in an 83-year-old man with cerebral hyperperfusion after carotid stent placement. Images obtained in an 83-year-old man with cerebral hyperperfusion.
Axial T2-weighted MR imaging at the level of the internal auditory canals, demonstrating a large, homogeneous mass filling the right internal auditory.
Angiograms from the case of an 80-year-old male patient with bilateral internal carotid artery stenosis. Angiograms from the case of an 80-year-old male.
Four more examples of missed additional aneurysms on DSA
28-year-old man with an aneurysmal SAH
Results of aneurysm treatment with flow modification only.
Basilar artery diameter measured with CTA in the delayed stage of SAH
Two-staged stent implantation for multiple supra-aortic lesions
A−C, Self-expanding V-POD devices.
Coronal postcontrast T1-weighted image of the orbits in patient 1 demonstrates a heterogeneously enhancing ovoid lesion involving the right medial rectus.
Case 1.A, Illustration of the deployed stent graft.
Endovascular coil occlusion of an enlarging carotid artery pseudoaneurysm. Endovascular coil occlusion of an enlarging carotid artery pseudoaneurysm. Sagittal.
Bone algorithm CT images from the same case, demonstrating focal enlargement of the right tympanic segment, in the axial (left) and coronal (right) planes.
A 34-year-old woman with SLE with APS
A maximum intensity projection (MIP) image reconstructed from CT-angiographic data shows the high-grade stenosis of the right ICA as well as associated.
Comparison between angle-corrected and uncorrected flow velocities and angiographic findings in a 54-year-old woman with MCA stenosis. Comparison between.
Case 10.A, Left vertebral angiography obtained 6 months after previous surgery shows residual filling of the basilar tip aneurysm and additional right.
Left carotid artery angiograms demonstrate the persistent otic artery (a), the basilar artery (b), the fetal posterior cerebral artery (PCA) (c), the ACoA.
A 10-year-old boy with symptoms of brain stem compression from a giant partially thrombosed distal vertebral aneurysm. A 10-year-old boy with symptoms.
A 42-year-old man presenting with progressive deterioration of consciousness. A 42-year-old man presenting with progressive deterioration of consciousness.
72-year-old man with an unruptured aneurysm in the right middle cerebral artery and total occlusion of the left vertebral artery. 72-year-old man with.
Axial T2-weighted MR image shows normal flow void in the right internal jugular vein (arrows), whereas flow-related enhancement can be seen in the left.
A, Postcontrast T1-weighted MR image of the brain during metastatic work-up demonstrates no metastatic disease. A, Postcontrast T1-weighted MR image of.
Intraoperative images show a typical pearly appearance of a cholesteatoma (arrow, A), in the aditus ad antrum, next to the posterior wall of the EAC (dashed.
Angiograms from the case of an 87-year-old female patient with occlusion of the right internal carotid artery and 65% symptomatic, ulcerated stenosis on.
Pseudoaneurysms demonstrated by femoral arteriography and sonography.
Preprocedural CT and procedural and follow-up angiograms of a 39-year-old female patient with a distal PICA aneurysm. Preprocedural CT and procedural and.
A 48-year-old woman presenting with a subarachnoid hemorrhage.
Initial 3D reconstruction image of rotational angiogram (A) shows small wide-neck MCA trifurcation aneurysm. Initial 3D reconstruction image of rotational.
Flow patterns of 2 vertebral artery fusiform cases with different stent-placement strategies. Flow patterns of 2 vertebral artery fusiform cases with different.
3T transversal contrast fat-suppressed T1-weighted SE image acquired with the large FOV that covers the entire cranial circumference. 3T transversal contrast.
Axial CT at level of thyroid cartilage shown on soft tissue window (width, 340 HU; center, 43 HU) in panel A and narrow window (width, 1 HU; center, 130.
Stent placement for treatment of acute intracranial occlusion.
A 55-year-old male patient who presented with tetraparesis and decreased consciousness for 6 hours. A 55-year-old male patient who presented with tetraparesis.
CT scans chosen for rWTH measures.
DSA of the left vertebral injection, lateral (A) and anteroposterior (B) views, and a coronal CTA image (C) from case 23 demonstrate a large unpaired thalamic.
Procedural and follow-up angiograms of a 28-year-old female patient with a history of subarachnoid hemorrhage due to rupture of a contralateral MCA bifurcation.
Presentation transcript:

Stent placement in a basilar artery stenosis Stent placement in a basilar artery stenosis.A andB, 70% stenosis (arrow) of the midbasilar artery, with poststenotic dilatation.C andD, Good result after stenting and dilatation. Stent placement in a basilar artery stenosis.A andB, 70% stenosis (arrow) of the midbasilar artery, with poststenotic dilatation.C andD, Good result after stenting and dilatation. The stent (arrows) was postdilated to better oppose the distal portion to the larger lumen of the basilar artery.E andF, Nonsubtracted images insufficiently show the stent (arrows). The degree of deployment over its entire length cannot be appreciated with certainty.G–J, MPRs obtained immediately after stenting (stenting thickness, .1 mm) reveal the asymmetric deployment of the stent with a remaining waist (arrow). Orthogonal projections (I–J) demonstrate the change in caliber (arrows) and show the larger lumen stent distally (J). Götz Benndorf et al. AJNR Am J Neuroradiol 2005;26:1813-1818 ©2005 by American Society of Neuroradiology