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American Journal of Neuroradiology
American Journal of Neuroradiology

American Journal of Neuroradiology

ASHNR American Society of Functional Neuroradiology ASHNR American Society of Pediatric Neuroradiology ASSR
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Welcome to the new AJNR, Updated Hall of Fame, and more. Read the full announcements.


AJNR is seeking candidates for the position of Associate Section Editor, AJNR Case Collection. Read the full announcement.

 

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MY CONTENT

  • Head & Neck
    Open Access
    MR Imaging of the Extracranial Facial Nerve with the CISS Sequence
    J.P. Guenette, N. Ben-Shlomo, J. Jayender, R.T. Seethamraju, V. Kimbrell, N.-A. Tran, R.Y. Huang, C.J. Kim, J.I. Kass, C.E. Corrales and T.C. Lee
    American Journal of Neuroradiology November 2019, 40 (11) 1954-1959; DOI: https://doi.org/10.3174/ajnr.A6261
  • EDITOR'S CHOICEPediatrics
    You have access
    Comparison of CBF Measured with Combined Velocity-Selective Arterial Spin-Labeling and Pulsed Arterial Spin-Labeling to Blood Flow Patterns Assessed by Conventional Angiography in Pediatric Moyamoya
    D.S. Bolar, B. Gagoski, D.B. Orbach, E. Smith, E. Adalsteinsson, B.R. Rosen, P.E. Grant and R.L. Robertson
    American Journal of Neuroradiology November 2019, 40 (11) 1842-1849; DOI: https://doi.org/10.3174/ajnr.A6262

    This study assesses the accuracy of combined velocity-selective arterial spin-labeling and traditional pulsed arterial spin-labeling CBF measurements in pediatric Moyamoya disease, with comparison with blood flow patterns on conventional angiography. Twenty-two neurologically stable pediatric patients with Moyamoya disease and 5 asymptomatic siblings without frank Moyamoya disease were imaged with velocity-selective arterial spin-labeling, pulsed arterial spin-labeling, and DSA (patients). Qualitatively, velocity-selective arterial spin-labeling perfusion maps reflect the DSA parenchymal phase, regardless of postinjection timing. Conversely, pulsed arterial spin-labeling maps reflect the DSA appearance at postinjection times closer to pulsed arterial spin-labeling postlabeling delay, regardless of vascular phase. ASPECTS comparison showed excellent agreement between arterial spin-labeling and DSA, suggesting velocity-selective arterial spin-labeling and pulsed arterial spin-labeling capture key perfusion and transit delay information, respectively. Velocity-selective arterial spin-labeling offers a powerful approach to image perfusion in pediatric Moyamoya disease due to transit delay insensitivity.

  • Head & Neck
    You have access
    Diagnostic Accuracy and Scope of Intraoperative Transoral Ultrasound and Transoral Ultrasound–Guided Fine-Needle Aspiration of Retropharyngeal Masses
    T.H. Vu, M. Kwon, S. Ahmed, M. Gule-Monroe, M.M. Chen, J. Sun, B.D. Fornage, J.M. Debnam and B. Edeiken-Monroe
    American Journal of Neuroradiology November 2019, 40 (11) 1960-1964; DOI: https://doi.org/10.3174/ajnr.A6236
  • Pediatrics
    You have access
    Susceptibility-Weighted Imaging Findings in Aspartylglucosaminuria
    A. Tokola, M. Laine, R. Tikkanen and T. Autti
    American Journal of Neuroradiology November 2019, 40 (11) 1850-1854; DOI: https://doi.org/10.3174/ajnr.A6288
  • FELLOWS' JOURNAL CLUBSpine
    You have access
    Armed Kyphoplasty: An Indirect Central Canal Decompression Technique in Burst Fractures
    A. Venier, L. Roccatagliata, M. Isalberti, P. Scarone, D.E. Kuhlen, M. Reinert, G. Bonaldi, J.A. Hirsch and A. Cianfoni
    American Journal of Neuroradiology November 2019, 40 (11) 1965-1972; DOI: https://doi.org/10.3174/ajnr.A6285

    This study assesses the results of armed kyphoplasty using vertebral body stents or the SpineJack in traumatic, osteoporotic, and neoplastic burst fractures with respect to vertebral body height restoration and correction of posterior wall retropulsion. The authors performed a retrospective assessment of 53 burst fractures with posterior wall retropulsion and no neurologic deficit in 51 consecutive patients treated with armed kyphoplasty. Posterior wall retropulsion and vertebral body height were measured on pre- and postprocedural CT. Armed kyphoplasty was performed as a stand-alone treatment in 43 patients, combined with posterior instrumentation in 8 and laminectomy in 4. Pre-armed kyphoplasty and post-armed kyphoplasty mean posterior wall retropulsion was 5.8 and 4.5 mm, respectively, and mean vertebral body height was 10.8 and 16.7 mm, respectively. They conclude that in the treatment of burst fractures with posterior wall retropulsion and no neurologic deficit, armed kyphoplastyyields fracture reduction, internal fixation, and indirect central canal decompression.

  • LETTER
    You have access
    An Important Pitfall in Diagnosing Intracanalicular Vestibular Schwannoma
    A. Hakim and F. Wagner
    American Journal of Neuroradiology October 2019, 40 (10) E58-E59; DOI: https://doi.org/10.3174/ajnr.A6192
  • Erratum
    You have access
    Erratum
    American Journal of Neuroradiology October 2019, 40 (10) E63; DOI: https://doi.org/10.3174/ajnr.A6206
  • Interventional
    You have access
    A Multicenter Pilot Study on the Clinical Utility of Computational Modeling for Flow-Diverter Treatment Planning
    B.W. Chong, B.R. Bendok, C. Krishna, M. Sattur, B.L. Brown, R.G. Tawk, D.A. Miller, L. Rangel-Castilla, H. Babiker, D.H. Frakes, A. Theiler, H. Cloft, D. Kallmes and G. Lanzino
    American Journal of Neuroradiology October 2019, 40 (10) 1759-1765; DOI: https://doi.org/10.3174/ajnr.A6222
  • Patient Safety
    You have access
    Virtual Monoenergetic Images from Spectral Detector CT Enable Radiation Dose Reduction in Unenhanced Cranial CT
    R.P. Reimer, D. Flatten, T. Lichtenstein, D. Zopfs, V. Neuhaus, C. Kabbasch, D. Maintz, J. Borggrefe and N. Große Hokamp
    American Journal of Neuroradiology October 2019, 40 (10) 1617-1623; DOI: https://doi.org/10.3174/ajnr.A6220
  • Interventional
    You have access
    Low-Profile Intra-Aneurysmal Flow Disruptor WEB 17 versus WEB Predecessor Systems for Treatment of Small Intracranial Aneurysms: Comparative Analysis of Procedural Safety and Feasibility
    L. Goertz, T. Liebig, E. Siebert, M. Herzberg, L. Pennig, M. Schlamann, J. Borggrefe, B. Krischek, F. Dorn and C. Kabbasch
    American Journal of Neuroradiology October 2019, 40 (10) 1766-1772; DOI: https://doi.org/10.3174/ajnr.A6183

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