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MAY 2014 THE JOURNAL OF DIAGNOSTIC AND VOLUME 35 INTERVENTIONAL NEURORADIOLOGY NUMBER 5 WWW.AJNR.ORG Neuroimaging in patients with abnormal blood glucose levels Cord injuries in blunt cervical spine trauma Focused ultrasound for treatment of essential tremor Official Journal ASNR • ASFNR • ASHNR • ASPNR • ASSR Dedicated to the development The MicroVention family of neuroendovascular products: DELIVERY & DETACHMENT SYSTEMS ACCESS PRODUCTS microvention.com MICROVENTION, Headway, Chaperon, Traxcess, HydroFrame, HydroFill, HydroSoft, VFC, MicroPlex, Cosmos, HyperSoft, Scepter C, Scepter XC, V-Trak and V-Grip are registered trademarks of MicroVention, Inc. Scientific and clinical data related to this document are on file at MicroVention, Inc. Refer to Instructions for Use for additional information. Federal (USA) law restricts this device for sale by or on the order of a physician. © 2014 MicroVention, Inc. 2/14 of innovative endovascular technologies HYDROGEL COIL PRODUCTS PLATINUM COIL PRODUCTS Introducing… The softness of the HyperSoft ® Coil available in Complex Form! Now you can Frame, Fill and Finish with the softness you need to match almost any aneurysm morphology. MicroVention, Inc. Worldwide Headquarters PH +1.714.247.8000 1311 Valencia Avenue Tustin, CA 92780 USA MicroVention UK Limited PH +44 (0) 191 258 6777 MicroVention Europe, S.A.R.L. PH +33 (1) 39 21 77 46 MicroVention Deutschland GmbH PH +49 211 210 798-0 PERFORMANCE AND VALUE DELIVERED MADE IN AMERICA MKTG-020 REV. B AMERICAN JOURNAL OF NEURORADIOLOGY MAY 2014 Publication Preview at www.ajnr.org features articles released in advance of print. AJNRVOLUME 35 Visit www.ajnrblog.org to comment on AJNR content and chat with colleagues NUMBER 5 and AJNR’s News Digest at http://ajnrdigest.org to read the stories behind the WWW.AJNR.ORG latest research in neuroimaging. EDITORIALS PERSPECTIVES 825 Pigeons and MRI: Tesla Vignettes M. Castillo EDITORIALS 827 In Memoriam: The Matrix Coil W.J. van Rooij, M. Sluzewski, and J. Peluso 828 Counterpoint—Response to “In Memoriam: The Matrix Coil” A.S. Turk, D. Fiorella, J. Mocco, and C. Derdeyn 829 MR-Guided, Focused Ultrasound: Applications to Essential Tremor and Other Neurologic Conditions G. Suffredini and L.M. Levy 831 Simple MRI Metrics Contribute to Optimal Care of the Patient with Multiple Sclerosis J.H. Simon, R.A. Bermel, and R.A. Rudick REVIEW ARTICLES 833 Neuroimaging in Patients with Abnormal Blood Glucose Levels G. Bathla, Indicates Editor’s B. Policeni, and A. Agarwal Choices selection 841 Optimal Timing of Cerebral MRI in Preterm Infants to Predict Long-Term Indicates Fellows’ Journal Club selection Neurodevelopmental Outcome: A Systematic Review A. Plaisier, P. Govaert, Indicates open access to non- M.H. Lequin, and J. Dudink subscribers at www.ajnr.org Indicates article with METHODOLOGIC PERSPECTIVES supplemental on-line table 848 Multivariate Classification of Blood Oxygen Level–Dependent fMRI Data Indicates article with supplemental on-line photo with Diagnostic Intention: A Clinical Perspective B. Sundermann, D. Herr, W. Schwindt, and B. Pfleiderer Indicates article with supplemental on-line video EBM Indicates Evidence-Based Medicine PATIENT SAFETY 1 Level 1 856 Safety of Unilateral Endovascular Occlusion of the Cervical Segment of EBM Indicates Evidence-Based Medicine 2 Level 2 the Vertebral Artery without Antecedent Balloon Test Occlusion G.H. Zoarski and R. Seth COMMENTARY 862 Balloon Occlusion Tests and Therapeutic Vessel Occlusions Revisited: When, When Not, and How A. Sorteberg BRAIN EBM 866 CT Perfusion for Detection of Delayed Cerebral Ischemia in Aneurysmal 2 Subarachnoid Hemorrhage: A Systematic Review and Meta-Analysis DTI maps show differences D.I.A. Mir, A. Gupta, A. Dunning, L. Puchi, C.L. Robinson, H.-A.B. Epstein, and P.C. Sanelli between controls and EBM 872 DTI Correlates of Cognition in Conventional MRI of Normal-Appearing patients with subacute 2 combined degeneration Brain in Patients with Clinical Features of Subacute Combined P.K. Gupta, with proven vitamin B12 Degeneration and Biochemically Proven Vitamin B12 Deficiency deficiency. R.K. Gupta, R.K. Garg, Y. Rai, B. Roy, C.M. Pandey, H.S. Malhotra, and P.A. Narayana Smooth and Stable Whether you are framing, filling or finishing, Target Detachable Coils deliver consistently smooth deployment and exceptional microcatheter stability. Focused on design, Target Coils feature a host of advantages to ensure the high-powered performance you demand. For more information, please visit www.strykerneurovascular.com/Target or contact your local Stryker Neurovascular sales representative. Copyright © 2014 Stryker Stroke: Our Only Focus. Our Ongoing Promise. NV00006677.AA 878 Role of EPI-FLAIR in Patients with Acute Stroke: A Comparative Analysis with FLAIR A. Meshksar, J.P. Villablanca, R. Khan, R. Carmody, B. Coull, and K. Nael 884 CTA Collateral Status and Response to Recanalization in Patients with Acute Ischemic Stroke V. Nambiar, S.I. Sohn, M.A. Almekhlafi, H.W. Chang, S. Mishra, E. Qazi, M. Eesa, A.M. Demchuk, M. Goyal, M.D. Hill, and B.K. Menon 891 Imaging Findings in MR Imaging–Guided Focused Ultrasound Treatment for Patients with Essential Tremor M. Wintermark, J. Druzgal, D.S. Huss, M.A. Khaled, S. Monteith, P. Raghavan, T. Huerta, L.C. Schweickert, B. Burkholder, J.J. Loomba, E. Zadicario, Y. Qiao, B. Shah, J. Snell, M. Eames, R. Frysinger, N. Kassell, and W.J. Elias 897 Changes in the Thalamus in Atypical Parkinsonism Detected Using Shape Analysis and Diffusion Tensor Imaging C.P. Hess, C.W. Christine, A.C. Apple, W.P. Dillon, and M.J. Aminoff COMMENTARY 904 The Thalamus: A Small but Precious Window on -Related Neurodegeneration? M. Filippi, F. Agosta, and F. Caso 906 Clinical Application of 3D Arterial Spin-Labeled Brain Perfusion Imaging for Alzheimer Disease: Comparison with Brain Perfusion SPECT H. Takahashi, K. Ishii, C. Hosokawa, T. Hyodo, N. Kashiwagi, M. Matsuki, R. Ashikaga, and T. Murakami 912 Subcortical Deep Gray Matter Pathology in Patients with Multiple Sclerosis Is Associated with White Matter Lesion Burden and Atrophy but Not with Cortical Atrophy: A Diffusion Tensor MRI Study R. Cappellani, N. Bergsland, B. Weinstock-Guttman, C. Kennedy, E. Carl, D.P. Ramasamy, J. Hagemeier, M.G. Dwyer, F. Patti, and R. Zivadinov 920 Can Diffusion Tensor Imaging Noninvasively Detect IDH1 Gene Mutations in Astrogliomas? A Retrospective Study of 112 Cases W.L. Tan, W.Y. Huang, B. Yin, J. Xiong, J.S. Wu, and D.Y. Geng 928 Diagnostic Utility of Diffusion Tensor Imaging in Differentiating Glioblastomas from Brain Metastases S. Wang, S.J. Kim, H. Poptani, J.H. Woo, S. Mohan, R. Jin, M.R. Voluck, D.M. O’Rourke, R.L. Wolf, E.R. Melhem, and S. Kim INTERVENTIONAL Published in collaboration with Interventional Neuroradiology EBM 1 935 Bioactive versus Bare Platinum Coils in the Treatment of Intracranial Aneurysms: The MAPS (Matrix and Platinum Science) Trial C.G. McDougall, S. Claiborne Johnston, A. Gholkar, S.L. Barnwell, J.C. Vazquez Suarez, J. Masso´Romero, J.C. Chaloupka, A. Bonafe, A.K. Wakhloo, D. Tampieri, C.F. Dowd, A.J. Fox, S.J. Imm, K. Carroll, and A.S. Turk, for the MAPS Investigators EBM 943 Endovascular Treatment of Anterior Communicating Artery Aneurysms: A 1 Systematic Review and Meta-Analysis S. Fang, W. Brinjikji, M.H. Murad, D.F. Kallmes, H.J. Cloft, and G. Lanzino 948 Treatment of Cavernous Sinus Aneurysms with Flow Diversion: Results in 44 Patients R.C. Puffer, M. Piano, G. Lanzino, L. Valvassori, D.F. Kallmes, L. Quilici, H.J. Cloft, and E. Boccardi 952 Transverse Sinus Stenting for Pseudotumor Cerebri: A Cost Comparison with CSF Shunting R.M. Ahmed, F. Zmudzki, G.D. Parker, B.K. Owler, and G.M. Halmagyi 959 Mechanical Thrombectomy with Stent Retrievers in Acute Basilar Artery Occlusion M. Mo¨hlenbruch, S. Stampfl, L. Behrens, C. Herweh, S. Rohde, M. Bendszus, C. Hametner, S. Nagel, P.A. Ringleb, and M. Pham 965 Coil Occlusion of Wide-Neck Bifurcation Aneurysms Assisted by a Novel Intra- to Extra-Aneurysmatic Neck-Bridging Device (pCONus): Initial Experience M. Aguilar-Pe´rez, W. Kurre, S. Fischer, H. Ba¨zner, and H. Henkes 972 Fate of the Penumbra after Mechanical Thrombectomy B. Friedrich, O. Kertels, D. Bach, S. Wunderlich, C. Zimmer, S. Prothmann, and A. Fo¨rschler 978 Hemorrhagic Complications after Endovascular Treatment of Cerebral Arteriovenous Malformations H. Baharvahdat, R. Blanc, R. Termechi, S. Pistocchi, B. Bartolini, H. Redjem, and M. Piotin 984 Temporary Solitaire Stent–Assisted Coiling: A Technique for the Treatment of Acutely Ruptured Wide-Neck Intracranial Aneurysms F. Signorelli, B. Gory, and F. Turjman 989 Acute Basilar Artery Occlusion: Outcome of Mechanical Thrombectomy with Solitaire Stent within 8 Hours of Stroke Onset J.M. Baek, W. Yoon, S.K. Kim, M.Y. Jung, M.S. Park, J.T. Kim, and H.K. Kang 994 Temporal Correlation between Wall Shear Stress and In-Stent Stenosis after Wingspan Stent in Swine Model M. Fujimoto, H. Takao, T. Suzuki, Y. Shobayashi, F. Mayor, S. Tateshima, M. Yamamoto, Y. Murayama, and F. Vin˜uela EXTRACRANIAL VASCULAR 999 Reproducibility of Cerebrospinal Venous Blood Flow and Vessel Anatomy with the Use of Phase Contrast–Vastly Undersampled Isotropic Projection Reconstruction and Contrast-Enhanced MRA E.M. Schrauben, K.M. Johnson, J. Huston, A.M. del Rio, S.B. Reeder, A. Field, and O. Wieben COMMENTARY 1007 Cerebral Veins–Why Functional MR Imaging is Worth the Trouble A. Harloff PEDIATRICS 1009 Metrics and Textural Features of MRI Diffusion to Improve Classification of Pediatric Posterior Fossa Tumors D. Rodriguez Gutierrez, A. Awwad, L. Meijer, M. Manita, T. Jaspan, R.A. Dineen, R.G. Grundy, and D.P. Auer 1016 Evaluation of SWI in Children with Sickle Cell Disease A.M. Winchell, B.A. Taylor, R. Song, R.B. Loeffler, P. Grundlehner, J.S. Hankins, W.C. Wang, R.J. Ogg, C.M. Hillenbrand, and K.J.