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AJNR Awards, New Junior Editors, and more. Read the latest AJNR updates

Table of Contents

November 01, 2017; Volume 38,Issue 11

Perspectives

  • You have access
    Perspectives
    John H. Rees
    American Journal of Neuroradiology November 2017, 38 (11) 2033; DOI: https://doi.org/10.3174/ajnr.P0043

Review Article

  • Head & Neck
    Open Access
    The Management and Imaging of Vestibular Schwannomas
    E.P. Lin and B.T. Crane
    American Journal of Neuroradiology November 2017, 38 (11) 2034-2043; DOI: https://doi.org/10.3174/ajnr.A5213

General Contents

  • EDITOR'S CHOICEAdult Brain
    Open Access
    The Brain Thermal Response as a Potential Neuroimaging Biomarker of Cerebrovascular Impairment
    C.C. Fleischer, J. Wu, D. Qiu, S.-E. Park, F. Nahab and S. Dehkharghani
    American Journal of Neuroradiology November 2017, 38 (11) 2044-2051; DOI: https://doi.org/10.3174/ajnr.A5380

    The authors evaluated the use of noninvasive MR thermometry in patients with cerebrovascular disease, and hypothesized that the presence of a measurable brain thermalresponse would reflect the tissue hemodynamic state. MR imaging and MR thermometry were performed in 10 patients undergoing acetazolamide challenge for chronic, anterior circulation steno-occlusive disease. Cerebrovascular reactivity was calculated with BOLD imaging and arterial spin-labeling methods. Brain temperature was calculated pre- and post-acetazolamide using previously established chemical shift thermometry. They observed significant, voxelwise quadratic relationships between cerebrovascular reactivity from BOLD imaging and the brain thermal response and baseline brain temperatures, concluding that brain thermal response is a potential noninvasive biomarker for cerebrovascular impairment.

  • Adult Brain
    Open Access
    Added Value of Arterial Spin-Labeling MR Imaging for the Differentiation of Cerebellar Hemangioblastoma from Metastasis
    K.M. Kang, C.-H. Sohn, S.-H. You, J.G. Nam, S.H. Choi, T.J. Yun, R.-E. Yoo and J.-h. Kim
    American Journal of Neuroradiology November 2017, 38 (11) 2052-2058; DOI: https://doi.org/10.3174/ajnr.A5363
  • Adult Brain
    You have access
    Detection of Volume-Changing Metastatic Brain Tumors on Longitudinal MRI Using a Semiautomated Algorithm Based on the Jacobian Operator Field
    O. Shearkhani, A. Khademi, A. Eilaghi, S.-P. Hojjat, S.P. Symons, C. Heyn, M. Machnowska, A. Chan, A. Sahgal and P.J. Maralani
    American Journal of Neuroradiology November 2017, 38 (11) 2059-2066; DOI: https://doi.org/10.3174/ajnr.A5352
  • Adult Brain
    You have access
    Pituitary Macroadenoma and Visual Impairment: Postoperative Outcome Prediction with Contrast-Enhanced FIESTA
    S. Hisanaga, S. Kakeda, J. Yamamoto, K. Watanabe, J. Moriya, T. Nagata, Y. Fujino, H. Kondo, S. Nishizawa and Y. Korogi
    American Journal of Neuroradiology November 2017, 38 (11) 2067-2072; DOI: https://doi.org/10.3174/ajnr.A5394
  • Adult Brain
    You have access
    Topographic Diagnosis of Craniopharyngiomas: The Accuracy of MRI Findings Observed on Conventional T1 and T2 Images
    R. Prieto, J.M. Pascual and L. Barrios
    American Journal of Neuroradiology November 2017, 38 (11) 2073-2080; DOI: https://doi.org/10.3174/ajnr.A5361
  • FELLOWS' JOURNAL CLUBAdult Brain
    You have access
    Arterial Spin-Labeling Perfusion MR Imaging Demonstrates Regional CBF Decrease in Idiopathic Normal Pressure Hydrocephalus
    J. Virhammar, K. Laurell, A. Ahlgren and E.-M. Larsson
    American Journal of Neuroradiology November 2017, 38 (11) 2081-2088; DOI: https://doi.org/10.3174/ajnr.A5347

    The authors assessed regional CBF in patients with idiopathic normal pressure hydrocephalus compared with healthy controls using the noninvasive quantitative arterial spin-labeling MR imaging technique. Twenty-one consecutive patients with NPH and 21 age- and sex-matched randomly selected healthy controls from a population registry were prospectively included. In patients with idiopathic NPH, perfusion was reduced in the periventricular white matter,lentiform nucleus, and thalamus compared with controls. They conclude that using pseudocontinuous ASL, they confirmed the findings of reduced perfusion in the periventricular white matter, basal ganglia, and thalamus in patients with idiopathic NPH previously observed with other imaging techniques.

  • Adult Brain
    Open Access
    Prevalence of Intracranial Aneurysms in Patients with Aortic Dissection
    W.S. Jung, J.H. Kim, S.J. Ahn, S.-W. Song, B.M. Kim, K.-D. Seo and S.H. Suh
    American Journal of Neuroradiology November 2017, 38 (11) 2089-2093; DOI: https://doi.org/10.3174/ajnr.A5359
  • Adult Brain
    Open Access
    Reaction Time Is Negatively Associated with Corpus Callosum Area in the Early Stages of CADASIL
    S. Delorme, F. De Guio, S. Reyes, A. Jabouley, H. Chabriat and E. Jouvent
    American Journal of Neuroradiology November 2017, 38 (11) 2094-2099; DOI: https://doi.org/10.3174/ajnr.A5378
  • Adult Brain
    You have access
    MR Imaging Features of the Cerebellum in Adult-Onset Neuronal Intranuclear Inclusion Disease: 8 Cases
    A. Sugiyama, N. Sato, Y. Kimura, T. Maekawa, M. Enokizono, Y. Saito, Y. Takahashi, H. Matsuda and S. Kuwabara
    American Journal of Neuroradiology November 2017, 38 (11) 2100-2104; DOI: https://doi.org/10.3174/ajnr.A5336
  • Neurointervention
    Open Access
    Differences in Morphologic and Hemodynamic Characteristics for “PHASES-Based” Intracranial Aneurysm Locations
    N. Varble, H. Rajabzadeh-Oghaz, J. Wang, A. Siddiqui, H. Meng and A. Mowla
    American Journal of Neuroradiology November 2017, 38 (11) 2105-2110; DOI: https://doi.org/10.3174/ajnr.A5341
  • EDITOR'S CHOICENeurointervention
    Open Access
    Angioarchitectures and Hemodynamic Characteristics of Posterior Communicating Artery Aneurysms and Their Association with Rupture Status
    B.J. Chung, R. Doddasomayajula, F. Mut, F. Detmer, M.B. Pritz, F. Hamzei-Sichani, W. Brinjikji, D.F. Kallmes, C.M. Jimenez, C.M. Putman and J.R. Cebral
    American Journal of Neuroradiology November 2017, 38 (11) 2111-2118; DOI: https://doi.org/10.3174/ajnr.A5358

    The authors studied 313 posterior communicating artery aneurysms (145 ruptured, 168 unruptured) with image-based computational fluid dynamics. Aneurysms were classified into different angioarchitecture types depending on the location of the aneurysm with respect to parent artery bifurcation. Ruptured aneurysms had higher, more concentrated, and more oscillatory wall shear stress distributions; stronger and more concentrated inflow jets; and more complex and unstable flow patterns compared with unruptured aneurysms. They conclude that high-flow intrasaccular hemodynamic characteristics, commonly found in bifurcation-type angioarchitectures, are associated with the posterior communicating artery aneurysm rupture status.

  • Neurointervention
    You have access
    Patient Outcomes and Cerebral Infarction after Ruptured Anterior Communicating Artery Aneurysm Treatment
    J.J. Heit, R.L. Ball, N.A. Telischak, H.M. Do, R.L. Dodd, G.K. Steinberg, S.D. Chang, M. Wintermark and M.P. Marks
    American Journal of Neuroradiology November 2017, 38 (11) 2119-2125; DOI: https://doi.org/10.3174/ajnr.A5355
  • FELLOWS' JOURNAL CLUBNeurointervention
    You have access
    Comparison of Clinical Outcomes of Intracranial Aneurysms: Procedural Rupture versus Spontaneous Rupture
    H.H. Choi, E.J. Ha, J.J. Lee, D.H. Yoo, W.-S. Cho, J.E. Kim, Y.D. Cho, M.H. Han and H.-S. Kang
    American Journal of Neuroradiology November 2017, 38 (11) 2126-2130; DOI: https://doi.org/10.3174/ajnr.A5344

    This was a retrospective review of 1340 patients with 1595 unruptured saccular intracranial aneurysms that underwent endovascular coil embolization between February 2010 and December 2014. The clinical outcomes of patients with procedural rupture of saccular intracranial aneurysms were compared with those of 198 patients presenting with spontaneously ruptured aneurysms. Procedural rupture developed in 19 patients, and the morbidity related to procedural rupture was 26.3% with no mortality. Hunt and Hess scale grades and hospitalization days of patients with procedural rupture were equivalent to those of patients presenting with spontaneous aneurysm rupture. In multivariate analysis, spontaneous aneurysm rupture was a significant risk factor for worse clinical outcome. This study showed better clinical outcomes in the procedural-rupture group.

  • Neurointervention
    Open Access
    Flow Diversion with Low-Profile Braided Stents for the Treatment of Very Small or Uncoilable Intracranial Aneurysms at or Distal to the Circle of Willis
    K. Aydin, M. Barburoglu, S. Sencer, M. Berdikhojayev, B. Coskun and S. Akpek
    American Journal of Neuroradiology November 2017, 38 (11) 2131-2137; DOI: https://doi.org/10.3174/ajnr.A5362
  • Neurointervention
    You have access
    Anterior Circulation Acute Ischemic Stroke Associated with Atherosclerotic Lesions of the Cervical ICA: A Nosologic Entity Apart
    O.F. Eker, P. Panni, C. Dargazanli, G. Marnat, C. Arquizan, P. Machi, I. Mourand, G. Gascou, E. Le Bars, V. Costalat and A. Bonafé
    American Journal of Neuroradiology November 2017, 38 (11) 2138-2145; DOI: https://doi.org/10.3174/ajnr.A5404
  • EDITOR'S CHOICEFunctional
    Open Access
    Real-Time Motor Cortex Mapping for the Safe Resection of Glioma: An Intraoperative Resting-State fMRI Study
    T.-m. Qiu, F.-y. Gong, X. Gong, J.-s. Wu, C.-p. Lin, B.B. Biswal, D.-x. Zhuang, C.-j. Yao, X.-l. Zhang, J.-f. Lu, F.-p. Zhu, Y. Mao and L.-f. Zhou
    American Journal of Neuroradiology November 2017, 38 (11) 2146-2152; DOI: https://doi.org/10.3174/ajnr.A5369

    The authors conducted preoperative and intraoperative resting-state intrinsic functional connectivity analyses of the motor cortex in 30 patients with brain tumors. Factors that may influence intraoperative imaging quality, including anesthesia type and tumor cavity, were studied. Additionally, direct cortical stimulation was used to validate the accuracy of intraoperative resting-state fMRI in mapping the motor cortex. Fourteen patients who successfully completed both sufficient intraoperative resting-state fMRI and direct cortical stimulation were used for further analysis of sensitivity and specificity. Compared with those subjected to direct cortical stimulation, the sensitivity and specificity of intraoperative resting-state fMRI in localizing the motor area were 61.7% and 93.7%, respectively. They conclude that using intraoperative resting-state fMRI can avoid the risk of intraoperative seizures due to direct cortical stimulation and may provide neurosurgeons with valuable information to facilitate the safe resection of gliomas.

  • FELLOWS' JOURNAL CLUBHead & Neck
    Open Access
    Apparent Diffusion Coefficient Histograms of Human Papillomavirus–Positive and Human Papillomavirus–Negative Head and Neck Squamous Cell Carcinoma: Assessment of Tumor Heterogeneity and Comparison with Histopathology
    T. de Perrot, V. Lenoir, M. Domingo Ayllón, N. Dulguerov, M. Pusztaszeri and M. Becker
    American Journal of Neuroradiology November 2017, 38 (11) 2153-2160; DOI: https://doi.org/10.3174/ajnr.A5370

    One hundred five consecutive patients with primary oropharyngeal and oral cavity head and neck squamous cell carcinoma underwent MR imaging with anatomic and DWI sequences. The collected tumor voxels from the contoured ROIs provided histograms from which position, dispersion, and form parameters were computed. Histogram data were correlated with histopathology, p16-immunohistochemistry, and polymerase chain reaction for human papillomavirus DNA. Diffusion phenotypes of human papillomavirus–positive and human papillomavirus–negative head and neck squamous cell carcinomas showed significant differences, which reflect their distinct degree of tumor heterogeneity.

  • Head & Neck
    You have access
    The Diagnostic Accuracy of Contrast-Enhanced CT of the Neck for the Investigation of Sialolithiasis
    Y.M. Purcell, R.G. Kavanagh, A.M. Cahalane, A.G. Carroll, S.G. Khoo and R.P. Killeen
    American Journal of Neuroradiology November 2017, 38 (11) 2161-2166; DOI: https://doi.org/10.3174/ajnr.A5353
  • Head & Neck
    You have access
    Prevalence of Internal Auditory Canal Diverticulum and Its Association with Hearing Loss and Otosclerosis
    K.J. Pippin, T.J. Muelleman, J. Hill, J. Leever, H. Staecker and L.N. Ledbetter
    American Journal of Neuroradiology November 2017, 38 (11) 2167-2171; DOI: https://doi.org/10.3174/ajnr.A5399
  • Pediatrics
    Open Access
    Clinical and Imaging Characteristics of Arteriopathy Subtypes in Children with Arterial Ischemic Stroke: Results of the VIPS Study
    M. Wintermark, N.K. Hills, G.A. DeVeber, A.J. Barkovich, T.J. Bernard, N.R. Friedman, M.T. Mackay, A. Kirton, G. Zhu, C. Leiva-Salinas, Q. Hou, H.J. Fullerton and the VIPS Investigators
    American Journal of Neuroradiology November 2017, 38 (11) 2172-2179; DOI: https://doi.org/10.3174/ajnr.A5376
  • Pediatrics
    Open Access
    Brain Temperature Is Increased During the First Days of Life in Asphyxiated Newborns: Developing Brain Injury Despite Hypothermia Treatment
    Z.P. Owji, G. Gilbert, C. Saint-Martin and P. Wintermark
    American Journal of Neuroradiology November 2017, 38 (11) 2180-2186; DOI: https://doi.org/10.3174/ajnr.A5350
  • Pediatrics
    You have access
    Does the Addition of a “Black Bone” Sequence to a Fast Multisequence Trauma MR Protocol Allow MRI to Replace CT after Traumatic Brain Injury in Children?
    M.H.G. Dremmen, M.W. Wagner, T. Bosemani, A. Tekes, D. Agostino, E. Day, B.P. Soares and T.A.G.M. Huisman
    American Journal of Neuroradiology November 2017, 38 (11) 2187-2192; DOI: https://doi.org/10.3174/ajnr.A5405
  • Pediatrics
    You have access
    Volume of Structures in the Fetal Brain Measured with a New Semiautomated Method
    R. Ber, D. Hoffman, C. Hoffman, A. Polat, E. Derazne, A. Mayer and E. Katorza
    American Journal of Neuroradiology November 2017, 38 (11) 2193-2198; DOI: https://doi.org/10.3174/ajnr.A5349
  • Pediatrics
    You have access
    Transient Focal Neurologic Symptoms Correspond to Regional Cerebral Hypoperfusion by MRI: A Stroke Mimic in Children
    L.L. Lehman, A.R. Danehy, C.C. Trenor, C.F. Calahan, M.E. Bernson-Leung, R.L. Robertson and M.J. Rivkin
    American Journal of Neuroradiology November 2017, 38 (11) 2199-2202; DOI: https://doi.org/10.3174/ajnr.A5296
  • Peripheral Nervous System
    You have access
    MR Neurography of Greater Occipital Nerve Neuropathy: Initial Experience in Patients with Migraine
    L. Hwang, R. Dessouky, Y. Xi, B. Amirlak and A. Chhabra
    American Journal of Neuroradiology November 2017, 38 (11) 2203-2209; DOI: https://doi.org/10.3174/ajnr.A5354
  • Spine
    Open Access
    T1-Weighted Dynamic Contrast-Enhanced MR Perfusion Imaging Characterizes Tumor Response to Radiation Therapy in Chordoma
    P. Santos, K.K. Peck, J. Arevalo-Perez, S. Karimi, E. Lis, Y. Yamada, A.I. Holodny and J. Lyo
    American Journal of Neuroradiology November 2017, 38 (11) 2210-2216; DOI: https://doi.org/10.3174/ajnr.A5383

35 Years Ago in AJNR

  • 35 Years Ago in AJNR
    You have access
    Celebrating 35 Years of the AJNR
    American Journal of Neuroradiology November 2017, 38 (11) 2217; DOI: https://doi.org/10.3174/ajnr.P0040

Letters: (Online only)

  • Letter
    You have access
    Emergency Department MR Imaging Scanner: Supportive Data
    D.M. Yousem, J. Pakpoor, L. Babiarz and S. Honig
    American Journal of Neuroradiology November 2017, 38 (11) E88; DOI: https://doi.org/10.3174/ajnr.A5315
  • Letter
    You have access
    Reply:
    M. Buller and J.P. Karis
    American Journal of Neuroradiology November 2017, 38 (11) E89; DOI: https://doi.org/10.3174/ajnr.A5325
  • Letter
    You have access
    Cerebral Microbleeds: A Call for Standardized Advanced Neuroimaging
    A. Rauscher, G.-Y.R. Hsiung and A.A. Sepehry
    American Journal of Neuroradiology November 2017, 38 (11) E90-E91; DOI: https://doi.org/10.3174/ajnr.A5323
  • Letter
    You have access
    Radiomics Approach Fails to Outperform Null Classifier on Test Data
    J.B. Colby
    American Journal of Neuroradiology November 2017, 38 (11) E92-E93; DOI: https://doi.org/10.3174/ajnr.A5326
  • Letter
    You have access
    Reply:
    P. Tiwari and A. Madabhushi
    American Journal of Neuroradiology November 2017, 38 (11) E94; DOI: https://doi.org/10.3174/ajnr.A5366
  • Letter
    You have access
    Imaging Findings of Benign Enhancing Foramen Magnum Lesions
    M.U. Antonucci and M.V. Spampinato
    American Journal of Neuroradiology November 2017, 38 (11) E95-E96; DOI: https://doi.org/10.3174/ajnr.A5330
  • Letter
    You have access
    Selective Poststent Balloon Angioplasty for Carotid Stenting
    D.M. Pelz and S.P. Lownie
    American Journal of Neuroradiology November 2017, 38 (11) E97; DOI: https://doi.org/10.3174/ajnr.A5346
  • Letter
    You have access
    Reply:
    O. Petr, W. Brinjikji, M.H. Murad, B. Glodny and G. Lanzino
    American Journal of Neuroradiology November 2017, 38 (11) E98; DOI: https://doi.org/10.3174/ajnr.A5435
  • Letter
    You have access
    Open Globe Injury: Ultrasound First!
    A. Lecler, A. Pinel and P. Koskas
    American Journal of Neuroradiology November 2017, 38 (11) E99-E100; DOI: https://doi.org/10.3174/ajnr.A5282
  • Letter
    You have access
    REPLY:
    U.K. Bodanapally and O. Saeedi
    American Journal of Neuroradiology November 2017, 38 (11) E101; DOI: https://doi.org/10.3174/ajnr.A5379
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American Journal of Neuroradiology: 38 (11)
American Journal of Neuroradiology
Vol. 38, Issue 11
1 Nov 2017
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