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APRIL 2020 AJNR VOLUME 41 PP 551–736 APRIL 2020 THE JOURNAL OF DIAGNOSTIC AND VOLUME 41 INTERVENTIONAL NEURORADIOLOGY NUMBER 4 WWW.AJNR.ORG MR thermometry in cerebrovascular disease Hippocampal sclerosis detection with NeuroQuant CTA diagnostic errors in evaluation of LVO Enhancement of vestibular perilymph in Menière disease Official Journal ASNR • ASFNR • ASHNR • ASPNR • ASSR FLOW DIVERSION. SIMPLIFIED. FRED™ Flow Re-direction Endoluminal Device The Flow Re-Direction Endoluminal Device (FRED) System is indicated for use in the internal carotid artery from the petrous segment to the terminus for the endovascular treatment of adult patients (22 years of age or older) with wide-necked (neck width ≥ 4 mm or dome-to-neck ratio < 2) saccular or fusiform intracranial aneurysms arising from a parent vessel with a diameter ≥ 2.0 mm and ≤ 5.0 mm. Use of the FRED System is contraindicated under these circumstances: Patients in whom anticoagulant, anti-platelet therapy, or thrombolytic drugs are contraindicated. Patients with known hypersensitivity to metal such as nickel-titanium and metal jewelry. Patients with anatomy that does not permit passage or deployment of the FRED System. Patients with an active bacterial infection. Patients with a pre-existing stent in place at the target aneurysm. Patients in whom the parent vessel size does not fall within the indicated range. Patients who have not received dual anti-platelet agents prior to the procedure. For complete indications, contraindications, potential complications, warnings, precautions, and instructions, see instructions for use (IFU provided in the device). HEADWAY Microcatheter Indications for Use: The HEADWAY Microcatheter is intended for general intravascular use, including the peripheral, coronary and neurovasculature for the infusion of diagnostic agents, such as contrast media, and therapeutic agents, such as occlusion coils. SOFIA EX Catheter Indications for Use: The SOFIA EX Catheter is indicated for general intravascular use, including the neuro and peripheral vasculature. The SOFIA EX Catheter can be used to facilitate introduction of diagnostic agents or therapeutic devices. The SOFIA EX Catheter is not intended for use in coronary arteries. SOFIA Catheter Indications for Use: The SOFIA Catheter is indicated for general intravascular use, including the neuro and peripheral vasculature. The SOFIA Catheter can be used to facilitate introduction of diagnostic or therapeutic devices. The SOFIA Catheter is not intended for use in coronary arteries. RX Only: Federal (United States) law restricts this device to sale by or on the order of a physician. Simplicity Begins WITH ACCESS Headway™ Microcatheters SOFIA™ EX Access Solutions Intracranial Support Catheter • Easily accesses tortuous anatomy and distal target lesions4,5,6 • Precise and reliable FRED Device delivery1,2,3 • Minimized kick-back and loss of access7 MicroVention Worldwide Innovation Center PH 714.247.8000 35 Enterprise Aliso Viejo, CA 92656 USA MicroVention UK Limited PH 44 (0) 191 258 6777 References: MicroVention Europe S.A.R.L. PH +33 (1) 39 21 77 46 1. TR11-211 2. TR13-171 3. TR15-055 4. TR13-192 5. TR15-072 6. TR19-145 MicroVention Deutschland GmbH PH +49 211 210 798-0 MicroVention™, FRED™, Headway and SOFIA™ are registered trademarks of MicroVention, Inc. in the United Web microvention.com States and other jurisdictions. © 2020 MicroVention, Inc. 03/2020 The shape of something better Being better means always being ahead At Stryker, we invest heavily to create better technology that elevates outcomes. The result? We continue to make history, make a difference and make healthcare better, unlike any other company in the VCF space. strykerIVS.com/VCF Bone cement: Complications with the use of bone cement are rare. Serious adverse events, some with fatal outcome, associated with the use of bone cements for vertebroplasty, kyphoplasty and sacroplasty include myocardial infarction, cardiac arrest, cerebrovascular accident, pulmonary embolism, and cardiac embolism. Although it is rare, some adverse events have been known to occur up to one year post-operatively. Additional risks exist with the use of bone cement. Please see the IFU for a complete list of potential risks. Stryker or its affi liated entities own, use, or have applied for the following trademarks or service marks: AVAfl ex, iVAS, SpineJack and Stryker. All other trademarks are trademarks of their respective owners or holders. The absence of a product, feature, or service name, or logo from this list does not constitute a waiver of Stryker’s trademark or other intellectual property rights concerning that name or logo. D0000018655 | Copyright © 2020 Stryker AJNRAMERICAN JOURNAL OF NEURORADIOLOGY APRIL 2020 Publication Preview at www.ajnr.org features articles released in advance of print. VOLUME 41 Visit www.ajnrblog.org to comment on AJNR content and chat with colleagues NUMBER 4 and AJNR’s News Digest at http://ajnrdigest.org to read the stories behind the WWW.AJNR.ORG latest research in neuroimaging. 551 PERSPECTIVES Y. Bronstein EDITORIAL 552 Novel Coronavirus: What Neuroradiologists as Citizens of the World Need to Know A. Mahajan, et al. REVIEW ARTICLES 555 MR Thermometry in Cerebrovascular Disease: Physiologic Basis, ADULT BRAIN Hemodynamic Dependence, and a New Frontier in Stroke Imaging S. Dehkharghani, et al. 566 The Lateral Ventricles: A Detailed Review of Anatomy, Development, and Anatomic Variations C.L. Scelsi, et al. RADIOLOGY-PATHOLOGY CORRELATION 573 Polymorphous Low-Grade Neuroepithelial Tumor of the Young as a Partially Calcified Intra-Axial Mass in an Adult J.C. Benson, et al. GENERAL CONTENTS 579 Brain Metastases: Insights from Statistical Modeling of Size ADULT BRAIN Distribution M. Buller, et al. 583 Discrimination between Glioblastoma and Solitary Brain Metastasis: ADULT BRAIN Comparison of Inflow-Based Vascular-Space-Occupancy and Dynamic FUNCTIONAL Susceptibility Contrast MR Imaging X. Li, et al. 591 Hippocampal Sclerosis Detection with NeuroQuant Compared with ADULT BRAIN FUNCTIONAL Neuroradiologists S. Louis, et al. 598 Anoxic Brain Injury Detection with the Normalized Diffusion to ASL ADULT BRAIN Perfusion Ratio: Implications for Blood-Brain Barrier Injury and FUNCTIONAL Permeability N. Li, et al. 607 CT Angiography in Evaluating Large-Vessel Occlusion in Acute Anterior ADULT BRAIN Circulation Ischemic Stroke: Factors Associated with Diagnostic Error in INTERVENTIONAL Clinical Practice B.A.C.M. Fasen, et al. 612 Reliability of CT Angiography in Cerebral Vasospasm: A Systematic ADULT BRAIN Review of the Literature and an Inter- and Intraobserver Study INTERVENTIONAL L. Letourneau-Guillon, et al. AJNR (Am J Neuroradiol ISSN 0195–6108) is a journal published monthly, owned and published by the American Society of Neuroradiology (ASNR), 800 Enterprise Drive, Suite 205, Oak Brook, IL 60523. Annual dues for the ASNR include approximately 21% for a journal subscription. The journal is printed by Cadmus Journal Services, 5457 Twin Knolls Road, Suite 200, Columbia, MD 21045; Periodicals postage paid at Oak Brook, IL and additional mailing offices. Printed in the U.S.A. POSTMASTER: Please send address changes to American Journal of Neuroradiology, P.O. Box 3000, Denville, NJ 07834, U.S.A. Subscription rates: nonmember $410 ($480 foreign) print and online, $320 online only; institutions $470 ($540 foreign) print and basic online, $935 ($1000 foreign) print and extended online, $380 online only (basic), $825 online only (extended); single copies are $35 each ($40 foreign). Indexed by PubMed/MEDLINE, BIOSIS Previews, Current Contents (Clinical Medicine and Life Sciences), EMBASE, Google Scholar, HighWire Press, Q-Sensei, RefSeek, Science Citation Index, SCI Expanded, Meta/CZI, ReadCube, and Semantic Scholar. Copyright © American Society of Neuroradiology. 619 Suspected Metallic Embolization Distal to Coiled Intracranial ADULT BRAIN Aneurysms Detectable by Susceptibility-Weighted MR Imaging INTERVENTIONAL D.H. Yoo, et al. 624 MRI Vessel Wall Imaging after Intra-Arterial Treatment for Acute ADULT BRAIN INTERVENTIONAL Ischemic Stroke A. Lindenholz, et al. 632 Contrast-Induced Acute Kidney Injury in Radiologic Management of PATIENT SAFETY INTERVENTIONAL Acute Ischemic Stroke in the Emergency Setting J.W. Myung, et al. 637 Commentary Save the Brain First: CTA and Mechanical Thrombectomy in Patients at Risk for Contrast-Induced Nephropathy X. Li, et al. 639 White Matter Disease and Outcomes of Mechanical Thrombectomy for INTERVENTIONAL Acute Ischemic Stroke E.A. Mistry, et al. 645 Glasgow Coma Scale on Presentation Predicts Outcome in Endovascular INTERVENTIONAL Treatment for Acute Posterior Large-Vessel Occlusion A.H. Chiu, et al. 650 Is Histologic Thrombus Composition in Acute Stroke Linked to Stroke INTERVENTIONAL Etiology or to Interventional Parameters? J. Goebel, et al. 658 The FRED for Cerebral Aneurysms of the Posterior Circulation: A INTERVENTIONAL Subgroup Analysis of the EuFRED Registry C.J. Griessenauer, et al. 663 Efficacy and Safety of Flow-Diverter Therapy for Recurrent Aneurysms INTERVENTIONAL after Stent-Assisted Coiling K.Y. Park, et al. 669 Complications of Endovascular Treatments for Brain Arteriovenous INTERVENTIONAL Malformations: A Nationwide Surveillance K. Sato, et al. 676 Treatment Outcomes of Endovascular Embolization Only in Patients INTERVENTIONAL with Unruptured Brain Arteriovenous Malformations: A Subgroup Analysis of ARUBA (A Randomized Trial of Unruptured Brain Arteriovenous Malformations) A.I. Qureshi,