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Index by author

December 01, 2020; Volume 41,Issue 12

  1. Green, A.J.

    1. EDITOR'S CHOICEAdult Brain
      Open Access
      Neurite Orientation Dispersion and Density Imaging for Assessing Acute Inflammation and Lesion Evolution in MS
      S. Sacco, E. Caverzasi, N. Papinutto, C. Cordano, A. Bischof, T. Gundel, S. Cheng, C. Asteggiano, G. Kirkish, J. Mallott, W.A. Stern, S. Bastianello, R.M. Bove, J.M. Gelfand, D.S. Goodin, A.J. Green, E. Waubant, M.R. Wilson, S.S. Zamvil, B.A. Cree, S.L. Hauser, R.G. Henry, and and University of California, San Francisco MS-EPIC Team
      American Journal of Neuroradiology December 2020, 41 (12) 2219-2226; DOI: https://doi.org/10.3174/ajnr.A6862

      Neurite orientation dispersion and density imaging (NODDI) assesses microstructural features of neurites contributing to diffusion imaging signals. Twenty-one subjects with MS underwent serial enhanced MRIs including NODDI, the key metrics of which are the neurite density and orientation dispersion index. Twenty-one age- and sex-matched healthy controls underwent unenhanced MR imaging with the same protocol. NODDI is a promising tool with the potential to detect acute MS inflammation. The observed heterogeneity among lesions may correspond to gradients in severity and clinical recovery after the acute phase.

  2. Griessenauer, C.J.

    1. FELLOWS' JOURNAL CLUBNeurointervention
      Treatment of Ruptured Blister-Like Aneurysms with the FRED Flow Diverter: A Multicenter Experience
      M.A. Möhlenbruch, F. Seker, E. Özlük, O. Kizilkilic, E. Broussalis, M. Killer-Oberpfalzer, C.J. Griessenauer, M. Bendszus and N. Kocer
      American Journal of Neuroradiology December 2020, 41 (12) 2280-2284; DOI: https://doi.org/10.3174/ajnr.A6849

      In a retrospective multicenter study, all patients treated with the FRED for a ruptured intracranial blister-like aneurysm between January 2013 and May 2019 were analyzed. In total, 30 patients with 30 ruptured blister-like aneurysms were treated. Immediate complete aneurysm obliteration with the FRED was achieved in 10 patients (33%). Of the 26 patients with follow-up, complete obliteration was achieved in 21 patients (80%) after 6 months and in 24 patients (92%) in the final follow-up (median, 22 months). The authors conclude that treatment of ruptured blister-like aneurysms with the FRED is safe and effective.

  3. Gulko, E.

    1. Adult Brain
      Open Access
      MRI Brain Findings in 126 Patients with COVID-19: Initial Observations from a Descriptive Literature Review
      E. Gulko, M.L. Oleksk, W. Gomes, S. Ali, H. Mehta, P. Overby, F. Al-Mufti and A. Rozenshtein
      American Journal of Neuroradiology December 2020, 41 (12) 2199-2203; DOI: https://doi.org/10.3174/ajnr.A6805
    2. Pediatrics
      Open Access
      Vessel Wall Enhancement and Focal Cerebral Arteriopathy in a Pediatric Patient with Acute Infarct and COVID-19 Infection
      E. Gulko, P. Overby, S. Ali, H. Mehta, F. Al-Mufti and W. Gomes
      American Journal of Neuroradiology December 2020, 41 (12) 2348-2350; DOI: https://doi.org/10.3174/ajnr.A6778

  4. Gunasekaran, K.

    1. FELLOWS' JOURNAL CLUBAdult Brain
      Clinical and Radiologic Findings of Acute Necrotizing Encephalopathy in Young Adults
      H.A. Vanjare, B.T. Selvi, R. Karuppusami, A. Manesh, K. Gunasekaran, A.T. Prabhakar, P. Mannam and A. Jasper
      American Journal of Neuroradiology December 2020, 41 (12) 2250-2254; DOI: https://doi.org/10.3174/ajnr.A6803

      The authors describe 10 patients (16 years of age or older) with acute necrotizing encephalopathy. In their study, bilateral thalamic involvement with the trilaminar pattern of diffusion restriction on MR imaging was the predominant finding seen in all of the patients reviewed. Ancillary findings of cerebral white matter, brain stem, and cerebellum involvement with sparing of the basal ganglia were also seen.

  5. Gundel, T.

    1. EDITOR'S CHOICEAdult Brain
      Open Access
      Neurite Orientation Dispersion and Density Imaging for Assessing Acute Inflammation and Lesion Evolution in MS
      S. Sacco, E. Caverzasi, N. Papinutto, C. Cordano, A. Bischof, T. Gundel, S. Cheng, C. Asteggiano, G. Kirkish, J. Mallott, W.A. Stern, S. Bastianello, R.M. Bove, J.M. Gelfand, D.S. Goodin, A.J. Green, E. Waubant, M.R. Wilson, S.S. Zamvil, B.A. Cree, S.L. Hauser, R.G. Henry, and and University of California, San Francisco MS-EPIC Team
      American Journal of Neuroradiology December 2020, 41 (12) 2219-2226; DOI: https://doi.org/10.3174/ajnr.A6862

      Neurite orientation dispersion and density imaging (NODDI) assesses microstructural features of neurites contributing to diffusion imaging signals. Twenty-one subjects with MS underwent serial enhanced MRIs including NODDI, the key metrics of which are the neurite density and orientation dispersion index. Twenty-one age- and sex-matched healthy controls underwent unenhanced MR imaging with the same protocol. NODDI is a promising tool with the potential to detect acute MS inflammation. The observed heterogeneity among lesions may correspond to gradients in severity and clinical recovery after the acute phase.

  6. Halbach, V.V.

    1. EDITOR'S CHOICEAdult Brain
      Open Access
      Recent Administration of Iodinated Contrast Renders Core Infarct Estimation Inaccurate Using RAPID Software
      A.Z. Copelan, E.R. Smith, G.T. Drocton, K.H. Narsinh, D. Murph, R.S. Khangura, Z.J. Hartley, A.A. Abla, W.P. Dillon, C.F. Dowd, R.T. Higashida, V.V. Halbach, S.W. Hetts, D.L. Cooke, K. Keenan, J. Nelson, D. Mccoy, M. Ciano and M.R. Amans
      American Journal of Neuroradiology December 2020, 41 (12) 2235-2242; DOI: https://doi.org/10.3174/ajnr.A6908

      Patients who received IV iodinated contrast in proximity (<8 hours) to CTA/CTP as part of a separate imaging study had a much higher likelihood of core infarct underestimation with RAPID software compared with contrast-naive patients. Over-reliance on RAPID postprocessing for treatment disposition of patients with extended window emergent large-vessel occlusion should be avoided, particularly in cases with recent IV contrast administration.

    2. Neurointervention
      Open Access
      Interrater Reliability in the Measurement of Flow Characteristics on Color-Coded Quantitative DSA of Brain AVMs
      K.H Narsinh, K. Mueller, J. Nelson, J. Massachi, D.C. Murph, A.Z. Copelan, S.W. Hetts, V.V. Halbach, R.T. Higashida, A.A. Abla, M.R. Amans, C.F. Dowd, H. Kim and D.L. Cooke
      American Journal of Neuroradiology December 2020, 41 (12) 2303-2310; DOI: https://doi.org/10.3174/ajnr.A6846

  7. Haranhalli, N.

    1. Neurointervention
      Open Access
      The Impact of COVID-19 on Emergent Large-Vessel Occlusion: Delayed Presentation Confirmed by ASPECTS
      D.J. Altschul, N. Haranhalli, C. Esenwa, S.R. Unda, R. de La Garza Ramos, J. Dardick, J. Fernandez-Torres, A. Toma, D. Labovitz, N. Cheng, S.K. Lee, A. Brook and R. Zampolin
      American Journal of Neuroradiology December 2020, 41 (12) 2271-2273; DOI: https://doi.org/10.3174/ajnr.A6800

  8. Hartley, Z.J.

    1. EDITOR'S CHOICEAdult Brain
      Open Access
      Recent Administration of Iodinated Contrast Renders Core Infarct Estimation Inaccurate Using RAPID Software
      A.Z. Copelan, E.R. Smith, G.T. Drocton, K.H. Narsinh, D. Murph, R.S. Khangura, Z.J. Hartley, A.A. Abla, W.P. Dillon, C.F. Dowd, R.T. Higashida, V.V. Halbach, S.W. Hetts, D.L. Cooke, K. Keenan, J. Nelson, D. Mccoy, M. Ciano and M.R. Amans
      American Journal of Neuroradiology December 2020, 41 (12) 2235-2242; DOI: https://doi.org/10.3174/ajnr.A6908

      Patients who received IV iodinated contrast in proximity (<8 hours) to CTA/CTP as part of a separate imaging study had a much higher likelihood of core infarct underestimation with RAPID software compared with contrast-naive patients. Over-reliance on RAPID postprocessing for treatment disposition of patients with extended window emergent large-vessel occlusion should be avoided, particularly in cases with recent IV contrast administration.

  9. Hauser, S.L.

    1. EDITOR'S CHOICEAdult Brain
      Open Access
      Neurite Orientation Dispersion and Density Imaging for Assessing Acute Inflammation and Lesion Evolution in MS
      S. Sacco, E. Caverzasi, N. Papinutto, C. Cordano, A. Bischof, T. Gundel, S. Cheng, C. Asteggiano, G. Kirkish, J. Mallott, W.A. Stern, S. Bastianello, R.M. Bove, J.M. Gelfand, D.S. Goodin, A.J. Green, E. Waubant, M.R. Wilson, S.S. Zamvil, B.A. Cree, S.L. Hauser, R.G. Henry, and and University of California, San Francisco MS-EPIC Team
      American Journal of Neuroradiology December 2020, 41 (12) 2219-2226; DOI: https://doi.org/10.3174/ajnr.A6862

      Neurite orientation dispersion and density imaging (NODDI) assesses microstructural features of neurites contributing to diffusion imaging signals. Twenty-one subjects with MS underwent serial enhanced MRIs including NODDI, the key metrics of which are the neurite density and orientation dispersion index. Twenty-one age- and sex-matched healthy controls underwent unenhanced MR imaging with the same protocol. NODDI is a promising tool with the potential to detect acute MS inflammation. The observed heterogeneity among lesions may correspond to gradients in severity and clinical recovery after the acute phase.

  10. Henden, P.L.

    1. Neurointervention
      Patients Requiring Conversion to General Anesthesia during Endovascular Therapy Have Worse Outcomes: A Post Hoc Analysis of Data from the SAGA Collaboration
      C.Z. Simonsen, S. Schönenberger, P.L. Hendén, A.J. Yoo, L. Uhlmann, A. Rentzos, J. Bösel, J. Valentin and M. Rasmussen
      American Journal of Neuroradiology December 2020, 41 (12) 2298-2302; DOI: https://doi.org/10.3174/ajnr.A6823
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