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JULY 2015 THE JOURNAL OF DIAGNOSTIC AND VOLUME 36 INTERVENTIONAL NEURORADIOLOGY NUMBER 7 WWW.AJNR.ORG Ultra-high-field MR neuroimaging Prognosis of patients with glioblastoma with dynamic MR Spinal cord venous anastomoses by flat panel catheter angiotomography Official Journal ASNR • ASFNR • ASHNR • ASPNR • ASSR Engineered® by MicroVention HYDROGEL ADVANCED COILS ThT e clinniccalal benenefie ts of hydrogel NOW engginneeerered wiwitht the sooftf ness of bare plal titinunum onn the VV-Trak® Advd ana cec d Coill Systet m. INDICATIONS FOR USE: The HydroCoil® Embolic System (HES) is intended for the endovascular embolization of intracranial aneurysms and other neurovascular abnormalities such as arteriovenous malformations and arteriovenous fistulae. The HES is also intended for vascular occlusion of blood vessels within the neurovascular system to permanently obstruct blood flow to an aneurysm or other vascular malformation and for arterial and venous embolizations in the peripheral vasculature. The device should only be used by physicians who have undergone pre-clinical training in all aspects of HES procedures as prescribed by MicroVention. MICROVENTION, V-Trak, HydroCoil, HydroFrame, HydroFill and HydroSoft 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, contraindications and warnings for additional information. Federal (USA) law restricts this device for sale by or on the order of a physician. © 2015 MicroVention, Inc. 6/15 Frame, Fill, Finish HydroFrame® ® ® HydroCoil® Embolic System HydroCoil® Embolic System HydroCoil® Embolic System t $-*/*$"--: 456%*&% ):%30(&- t &''&$5*7&1,2,3 t &45"#-*4)&% 4"'&5: 130'*-&4 t 40'5&3 %&4*(/5 MicroVention, Inc. For more information or a product demonstration, Worldwide Headquarters PH +1.714.247.8000 contact your local MicroVention representative: 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 microvention.com References 1. Speirs, Burke, Lee, and Ala. The next generation HydroCoil: initial clinical experience with the HydroFill embolic coil. J NeuroIntervent Surg, 2013. 2. Brinjikiji et al. Abstract 112. Presented at: International Stroke Conference 2015, Nashville, Tennessee, February 11-13, 2015. 3. Lee, Seo, Less, Cho, Kang and Han. Mid-term outcome of intracranial aneurysms treated with HydroSoft coils compared to historical controls treated with bare platinum coils: a single-center experience. Acta Neurochir, 156:1687-1694, 2014. 4. Laymond et al. Patients prone to recurrence after endovascular treatment: periprocedural results of the PRET randomized trial on large and recurrent aneurysms, AJNR AM J Neuroradiol, 2014. 5. Data on file at MicroVention, Inc. AMERICAN JOURNAL OF NEURORADIOLOGY JULY 2015 Publication Preview at www.ajnr.org features articles released in advance of print. AJNRVOLUME 36 Visit www.ajnrblog.org to comment on AJNR content and chat with colleagues NUMBER 7 and AJNR’s News Digest at http://ajnrdigest.org to read the stories behind the WWW.AJNR.ORG latest research in neuroimaging. PERSPECTIVES 1203 J.S. Ross REVIEW ARTICLES 1204 Ultra-High-Field MR Neuroimaging P. Balchandani and T.P. Naidich 1216 Mechanisms of Healing in Coiled Intracranial Aneurysms: A Review of the Literature W. Brinjikji, D.F. Kallmes, and R. Kadirvel SOCIAL MEDIA VIGNETTE 1223 Social Media and Public Outreach: A Physician Primer A. Radmanesh, R. Duszak, and R.T. Fitzgerald PATIENT SAFETY 1225 Imaging the Parasinus Region with a Third-Generation Dual-Source CT and Indicates Editor’s the Effect of Tin Filtration on Image Quality and Radiation Dose M.M. Lell, Choices selection M.S. May, M. Brand, A. Eller, T. Buder, E. Hofmann, M. Uder, and W. Wuest Indicates Fellows’ Journal Club selection ADULT BRAIN Indicates open access to non- subscribers at www.ajnr.org EBM 1231 Arterial Spin-Labeling Parameters Influence Signal Variability and 2 Indicates article with Estimated Regional Relative Cerebral Blood Flow in Normal Aging and supplemental on-line table Mild Cognitive Impairment: FAIR versus PICORE Techniques K.-O. Lo¨vblad, Indicates article with M.-L. Montandon, M. Viallon, C. Rodriguez, S. Toma, X. Golay, P. Giannakopoulos, supplemental on-line photo and S. Haller Indicates article with supplemental on-line video 1237 Use of Standardized Uptake Value Ratios Decreases Interreader Variability of [18F] Florbetapir PET Brain Scan Interpretation A.P. Nayate, J.G. Dubroff, EBM Indicates Evidence-Based Medicine 1 Level 1 J.E. Schmitt, I. Nasrallah, R. Kishore, D. Mankoff, and D.A. Pryma; for the Alzheimer’s Disease Neuroimaging Initiative EBM Indicates Evidence-Based Medicine 2 Level 2 COMMENTARY 1245 Establishing Amyloid PET Imaging Biomarkers: Ongoing Efforts S. Minoshima 1247 Prognostic Value of Dynamic Susceptibility Contrast-Enhanced and Diffusion-Weighted MR Imaging in Patients with Glioblastomas G. C¸oban, S. Mohan, F. Kural, S. Wang, D.M. O’Rourke, and H. Poptani 1253 Chordoid Meningioma: Differentiating a Rare World Health Organization Grade II Tumor from Other Meningioma Histologic Subtypes Using MRI J.B. Pond, T.G. Morgan, K.J. Hatanpaa, Z.F. Yetkin, B.E. Mickey, and D.B. Mendelsohn 1259 Diffusion Tensor Imaging Mapping of Brain White Matter Pathology in Mitochondrial Optic Neuropathies D.N. Manners, G. Rizzo, C. La Morgia, C. Tonon, C. Testa, P. Barboni, E. Malucelli, M.L. Valentino, L. Caporali, D. Strobbe, V. Carelli, and R. Lodi Disrupted global and regional structural networks 1266 Negative Susceptibility Vessel Sign and Underlying Intracranial in children with localization- Atherosclerotic Stenosis in Acute Middle Cerebral Artery Occlusion related epilepsy. S.K. Kim, W. Yoon, T.W. Heo, M.S. Park, and H.K. Kang The newly designed Trevo® XP ProVue Retriever takes proven Trevo Retriever performance to new levels for easy delivery, easy placement, and easy visualization. When you’re in control, it’s amazing what you can capture. Copyright © 2014 Stryker NV00009028.AA 1272 Degree of Collaterals and Not Time Is the Determining Factor of Core Infarct Volume within 6 Hours of Stroke Onset E. Cheng-Ching, J.A. Frontera, S. Man, J. Aoki, Y. Tateishi, F.K. Hui, D. Wisco, P. Ruggieri, M.S. Hussain, and K. Uchino 1277 Whole-Brain Susceptibility-Weighted Thrombus Imaging in Stroke: Fragmented Thrombi Predict Worse Outcome P.P. Gratz, G. Schroth, J. Gralla, H.P. Mattle, U. Fischer, S. Jung, P. Mordasini, K. Hsieh, R.K. Verma, C. Weisstanner, and M. El-Koussy 1283 Early MRI Characteristics after MRI-Guided Laser-Assisted Cingulotomy for Intractable Pain Control S.H. Sundararajan, P. Belani, S. Danish, and I. Keller 1288 Intravenous Infusion of Nitroglycerine Leads to Increased Permeability on Dynamic Contrast-Enhanced MR Imaging in Pig Brains J. Carl, D.A. Tideman, S. Ravn, K. Lund, S.O. Magnisdottir, and B. Kjærgaard INTERVENTIONAL EBM 1 1293 Deconstructive and Reconstructive Techniques in Treatment of Vertebrobasilar Dissecting Aneurysms: A Systematic Review and Meta-Analysis O¨.So¨nmez, W. Brinjikji, M.H. Murad, and G. Lanzino 1299 Endoluminal Reconstruction for Nonsaccular Aneurysms of the Proximal Posterior Cerebral Artery with the Pipeline Embolization Device D.W. Zumofen, M. Shapiro, T. Becske, E. Raz, M.B. Potts, H.A. Riina, and P.K. Nelson 1303 Application of a Novel Brain Arteriovenous Malformation Endovascular Grading Scale for Transarterial Embolization D.L. Bell, T.M. Leslie-Mazwi, A.J. Yoo, J.D. Rabinov, W.E. Butler, J.E. Bell, and J.A. Hirsch 1310 Narrowing the Expertise Gap for Predicting Intracranial Aneurysm Hemodynamics: Impact of Solver Numerics versus Mesh and Time-Step Resolution M.O. Khan, K. Valen-Sendstad, and D.A. Steinman 1317 Endovascular Recanalization in Acute Ischemic Stroke Using the Solitaire FR Revascularization Device with Adjunctive C-Arm CT Imaging B.D. Mitchell, P. Chinnadurai, G. Chintalapani, H.A. Morsi, H. Shaltoni, and M.E. Mawad HEAD & NECK EBM 1321 Treatment of Benign Thyroid Nodules: Comparison of Surgery with 2 Radiofrequency Ablation Y. Che, S. Jin, C. Shi, L. Wang, X. Zhang, Y. Li, and J.H. Baek 1326 Intratympanic Contrast in the Evaluation of Menie`re Disease: Understanding the Limits J. Bykowski, J.P. Harris, M. Miller, J. Du, and M.F. Mafee 1333 Visualization of the Peripheral Branches of the Mandibular Division of the Trigeminal Nerve on 3D Double-Echo Steady-State with Water Excitation Sequence H. Fujii, A. Fujita, A. Yang, H. Kanazawa, K. Buch, O. Sakai, and H. Sugimoto 1338 Predicting the Prognosis of Oral Tongue Carcinoma Using a Simple Quantitative Measurement Based on Preoperative MR Imaging: Tumor Thickness versus Tumor Volume H. Hu, K.-L. Cheng, X.-Q. Xu, F.-Y. Wu, Y.-S. Tyan, C.-H. Tsai, and C.-Y. Shen 1343 Using Texture Analysis to Determine Human Papillomavirus Status of Oropharyngeal Squamous Cell Carcinomas on CT K. Buch, A. Fujita, B. Li, Y. Kawashima, M.M. Qureshi, and O. Sakai 1349 Direct Cranial Nerve Involvement by Gliomas: Case Series and Review of the Literature M.C. Mabray, C.M. Glastonbury, M.D. Mamlouk, G.E. Punch, D.A. Solomon, and S. Cha 1355 Parry Romberg Syndrome: 7 Cases and Literature Review M. Wong, C.D. Phillips, M. Hagiwara, and D.R. Shatzkes PEDIATRICS EBM 2 1362 Disrupted Global and Regional Structural Networks and Subnetworks in Children with Localization-Related Epilepsy E. Widjaja, M. Zamyadi, C. Raybaud, O.C. Snead, S.M. Doesburg, and M.L. Smith American Society of Spine Radiology 1369 Assessment of MRI-Based Automated Fetal Cerebral Cortical Folding Measures in Prediction of Gestational Age in the Third Trimester J. Wu, S.P. Awate, D.J. Licht, C. Clouchoux, A.J. du Plessis, B.B. Avants, A. Vossough, J.C. Gee, and C. Limperopoulos 1375 Cranial Nerve Abnormalities in Oculo-Auriculo-Vertebral Spectrum R. Manara, D. Brotto, S. Ghiselli, R. Mardari, I. Toldo, G. Schifano, E. Cantone, R.