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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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Index by author

December 01, 2019; Volume 40,Issue 12
  • A
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  1. Tamai, S.

    1. EDITOR'S CHOICEInterventional
      You have access
      Identification of Vortex Cores in Cerebral Aneurysms on 4D Flow MRI
      K. Futami, T. Uno, K. Misaki, S. Tamai, I. Nambu, N. Uchiyama and M. Nakada
      American Journal of Neuroradiology December 2019, 40 (12) 2111-2116; DOI: https://doi.org/10.3174/ajnr.A6322

      The authors subjected 40 aneurysms (37 unruptured, 3 ruptured) to 4D flow MR imaging. They visualized streamlines with velocities below the threshold—that is, a percentage value of the aneurysm maximum inflow velocity—and progressively decreased the threshold to identify vortex cores as thin, streamline bundles with minimum velocities. A simple flow pattern (single vortex core) was identified in 27 aneurysms; the other 13 exhibited a complex flow pattern. The cores were stable in 32 and unstable in 8 aneurysms. Significantly more aneurysms with-than-without blebs or daughter sacs had a complex flow pattern. The identification of vortex cores on 4D flow MR imaging may help to stratify the rupture risk of unruptured cerebral aneurysms.

  2. Tanaka, K.

    1. Adult Brain
      Open Access
      DWI for Monitoring the Acute Response of Malignant Gliomas to Photodynamic Therapy
      Y. Fujita, T. Sasayama, K. Tanaka, K. Kyotani, H. Nagashima, M. Kohta, H. Kimura, A. Fujita and E. Kohmura
      American Journal of Neuroradiology December 2019, 40 (12) 2045-2051; DOI: https://doi.org/10.3174/ajnr.A6300
  3. Tassi, L.

    1. FELLOWS' JOURNAL CLUBPediatrics
      Open Access
      Ultra-High-Field Targeted Imaging of Focal Cortical Dysplasia: The Intracortical Black Line Sign in Type IIb
      E. Bartolini, M. Cosottini, M. Costagli, C. Barba, L. Tassi, R. Spreafico, R. Garbelli, L. Biagi, A. Buccoliero, F. Giordano and R. Guerrini
      American Journal of Neuroradiology December 2019, 40 (12) 2137-2142; DOI: https://doi.org/10.3174/ajnr.A6298

      Between 2013 and 2019, the authors performed a standardized 7T MR imaging protocol in patients with drug-resistant focal epilepsy. They focused on 12 patients in whom postsurgical histopathology revealed focal cortical dysplasia and explored the diagnostic yield of preoperative 7T versus 1.5/3T MR imaging and the correlations of imaging findings with histopathology. They observed clear abnormalities in 10/12 patients using 7T versus 9/12 revealed by 1.5/3T MR imaging. In patients with focal cortical dysplasia I, 7T MR imaging did not disclose morphologic abnormalities (n= 0/2). In patients with focal cortical dysplasia II, 7T uncovered morphologic signs that were not visible on clinical imaging in 1 patient with focal cortical dysplasia IIa (n= 1/4) and in all those with focal cortical dysplasia IIb (n= 6/6). T2*WI provided the highest added value. The authors conclude that the high sensitivity of 7T T2*-weighted images provides an additional tool in defining potential morphologic markers of high epileptogenicity within the dysplastic tissue of focal cortical dysplasia IIb and will likely help to more precisely plan epilepsy surgery.

  4. Tian, L.

    1. Pediatrics
      You have access
      Intraspinal Paragonimiasis in Children: MRI Findings and Suggestions for Pathogenesis
      Y. Qin, J. Cai, W. Ji, X. Chen, L. Tian, S. Jun, L. Wang and X. He
      American Journal of Neuroradiology December 2019, 40 (12) 2166-2171; DOI: https://doi.org/10.3174/ajnr.A6296
  5. Tkach, J.

    1. Pediatrics
      Open Access
      White Matter Injury and Structural Anomalies in Infants with Prenatal Opioid Exposure
      S.L. Merhar, N.A. Parikh, A. Braimah, B.B. Poindexter, J. Tkach and B. Kline-Fath
      American Journal of Neuroradiology December 2019, 40 (12) 2161-2165; DOI: https://doi.org/10.3174/ajnr.A6282
  6. Tokola, A.

    1. Pediatrics
      Open Access
      Topological Alterations of the Structural Brain Connectivity Network in Children with Juvenile Neuronal Ceroid Lipofuscinosis
      T. Roine, U. Roine, A. Tokola, M.H. Balk, M. Mannerkoski, L. Åberg, T. Lönnqvist and T. Autti
      American Journal of Neuroradiology December 2019, 40 (12) 2146-2153; DOI: https://doi.org/10.3174/ajnr.A6306
  7. Tolias, C.

    1. Interventional
      Open Access
      Outcome Study of the Pipeline Embolization Device with Shield Technology in Unruptured Aneurysms (PEDSU)
      D. Atasoy, N. Kandasamy, J. Hart, J. Lynch, S.-H. Yang, D. Walsh, C. Tolias and T.C. Booth
      American Journal of Neuroradiology December 2019, 40 (12) 2094-2101; DOI: https://doi.org/10.3174/ajnr.A6314
  8. Tomblinson, C.M.

    1. You have access
      Publicly Available Metrics Underestimate AJNR Twitter Impact and Follower Engagement
      C.M. Tomblinson, V. Wadhwa, E. Latimer, C.H. Gauss and J.L. McCarty
      American Journal of Neuroradiology December 2019, 40 (12) 1994-1997; DOI: https://doi.org/10.3174/ajnr.A6299
  9. Triulzi, F.M

    1. Patient Safety
      You have access
      Safety and Diagnostic Efficacy of Gadobenate Dimeglumine in MRI of the Brain and Spine of Neonates and Infants
      D.S. Enterline, K.W Martin, H.A Parmar, F.M Triulzi and C. Colosimo
      American Journal of Neuroradiology December 2019, 40 (12) 2001-2009; DOI: https://doi.org/10.3174/ajnr.A6319
  10. Tu, R.K.

    1. You have access
      Lyme Disease: What the Neuroradiologist Needs to Know
      H.A. Valand, A. Goyal, D.A. Melendez, S.S. Matharu, H.S. Mangat and R.K. Tu
      American Journal of Neuroradiology December 2019, 40 (12) 1998-2000; DOI: https://doi.org/10.3174/ajnr.A6301
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American Journal of Neuroradiology: 40 (12)
American Journal of Neuroradiology
Vol. 40, Issue 12
1 Dec 2019
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