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

Index by author

July 01, 2020; Volume 41,Issue 7
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  1. Shen, Q.

    1. EDITOR'S CHOICEPediatric Neuroimaging
      Open Access
      Automatic Machine Learning to Differentiate Pediatric Posterior Fossa Tumors on Routine MR Imaging
      H. Zhou, R. Hu, O. Tang, C. Hu, L. Tang, K. Chang, Q. Shen, J. Wu, B. Zou, B. Xiao, J. Boxerman, W. Chen, R.Y. Huang, L. Yang, H.X. Bai and C. Zhu
      American Journal of Neuroradiology July 2020, 41 (7) 1279-1285; DOI: https://doi.org/10.3174/ajnr.A6621

      This retrospective study included preoperative MR imaging of 288 pediatric patients with pediatric posterior fossa tumors, including medulloblastoma (n=111), ependymoma (n=70), and pilocytic astrocytoma (n=107). Radiomics features were extracted from T2-weighted images, contrast-enhanced T1-weighted images, and ADC maps. Models generated by standard manual optimization by a machine learning expert were compared with automatic machine learning via the Tree-Based Pipeline Optimization Tool for performance evaluation. The authors conclude that automatic machine learning based on routine MR imaging classified pediatric posterior fossa tumors with high accuracy compared with manual expert pipeline optimization and qualitative expert MR imaging review.

  2. Shields, C.L.

    1. EDITOR'S CHOICEPediatric Neuroimaging
      You have access
      Intra-Arterial Chemotherapy for Retinoblastoma in Infants ≤10 kg: 74 Treated Eyes with 222 IAC Sessions
      A. Sweid, B. Hammoud, J.H. Weinberg, P. Texakalidis, V. Xu, K. Shivashankar, M.P. Baldassari, S. Das, S. Ramesh, S. Tjoumakaris, C.L. Shields, D. Ancona-Lezama, L.-A.S. Lim, L.A. Dalvin and P. Jabbour
      American Journal of Neuroradiology July 2020, 41 (7) 1286-1292; DOI: https://doi.org/10.3174/ajnr.A6590

      Intra-arterial chemotherapy (IAC) for retinoblastoma (Rb) has dramatically altered the natural history of the disease. Cure rates, globe salvage, and vision preservation have dramatically increased. This retrospective chart review evaluated 207 Rb tumors of 207 eyes in 196 consecutive patients who underwent 658 IAC infusions overall. Patient weights were ≤10 kg in 69 (35.2%) and >10 kg in 127 (64.8%) patients. Comparison (≤10 kg versus >10 kg) revealed that the total number of IAC infusions was 222 versus 436. Periprocedural complications were not significantly different. The authors conclude that intra-arterial chemotherapy in patients weighing ≤10 kg is a safe and effective treatment.

  3. Shivashankar, K.

    1. EDITOR'S CHOICEPediatric Neuroimaging
      You have access
      Intra-Arterial Chemotherapy for Retinoblastoma in Infants ≤10 kg: 74 Treated Eyes with 222 IAC Sessions
      A. Sweid, B. Hammoud, J.H. Weinberg, P. Texakalidis, V. Xu, K. Shivashankar, M.P. Baldassari, S. Das, S. Ramesh, S. Tjoumakaris, C.L. Shields, D. Ancona-Lezama, L.-A.S. Lim, L.A. Dalvin and P. Jabbour
      American Journal of Neuroradiology July 2020, 41 (7) 1286-1292; DOI: https://doi.org/10.3174/ajnr.A6590

      Intra-arterial chemotherapy (IAC) for retinoblastoma (Rb) has dramatically altered the natural history of the disease. Cure rates, globe salvage, and vision preservation have dramatically increased. This retrospective chart review evaluated 207 Rb tumors of 207 eyes in 196 consecutive patients who underwent 658 IAC infusions overall. Patient weights were ≤10 kg in 69 (35.2%) and >10 kg in 127 (64.8%) patients. Comparison (≤10 kg versus >10 kg) revealed that the total number of IAC infusions was 222 versus 436. Periprocedural complications were not significantly different. The authors conclude that intra-arterial chemotherapy in patients weighing ≤10 kg is a safe and effective treatment.

  4. Silvera, V.M.

    1. FELLOWS' JOURNAL CLUBExtracranial Vascular
      You have access
      Cervicofacial Venous Malformations Are Associated with Intracranial Developmental Venous Anomalies and Dural Venous Sinus Abnormalities
      W. Brinjikji, I.T. Mark, V.M. Silvera and J.B. Guerin
      American Journal of Neuroradiology July 2020, 41 (7) 1209-1214; DOI: https://doi.org/10.3174/ajnr.A6617

      Sixty-three consecutive patients who presented to the authors' institution with cervicofacial venous malformations and underwent postcontrast MR imaging were studied. Three neuroradiologists reviewed brain MRIs for the presence of developmental venous anomalies, dural venous sinus ectasia, and cavernous malformations. The prevalence of developmental venous anomalies in this patient population was compared with an age- and sex-matched control group without venous malformations. The overall presence of developmental venous anomalies in patients with venous malformations was 36.5% (23/63) compared with 7.9% (10/126) in controls. The prevalence of dural venous sinus ectasia was 9.5% (6/63) compared with 0% for controls. The authors show a significant association between cervicofacial venous malformations and cerebral developmental venous anomalies as well as between cervicofacial venous malformations and dural venous sinus abnormalities.

  5. Singhal, A.

    1. Head and Neck Imaging
      You have access
      Prevalence of Sigmoid Sinus Dehiscence and Diverticulum among Adults with Skull Base Cephaloceles
      H. Sotoudeh, G. Elsayed, S. Ghandili, O. Shafaat, J.D. Bernstock, G. Chagoya, T. Atchley, P. Talati, D. Segar, S. Gupta and A. Singhal
      American Journal of Neuroradiology July 2020, 41 (7) 1251-1255; DOI: https://doi.org/10.3174/ajnr.A6602
  6. Soize, S.

    1. Neurointervention
      You have access
      Persistent Blood Flow inside the Woven EndoBridge Device More Than 6 Months after Intracranial Aneurysm Treatment: Frequency, Mechanisms, and Management—A Retrospective Single-Center Study
      H.A. Nguyen, S. Soize, P.-F. Manceau, L. Vudang and L. Pierot
      American Journal of Neuroradiology July 2020, 41 (7) 1225-1231; DOI: https://doi.org/10.3174/ajnr.A6593
  7. Sorensen, S.T.

    1. Pediatric Neuroimaging
      Open Access
      Brain Cortical Structure and Executive Function in Children May Be Influenced by Parental Choices of Infant Diets
      T. Li, T.M. Badger, B.J. Bellando, S.T. Sorensen, X. Lou and X. Ou
      American Journal of Neuroradiology July 2020, 41 (7) 1302-1308; DOI: https://doi.org/10.3174/ajnr.A6601
  8. Sotoudeh, H.

    1. Head and Neck Imaging
      You have access
      Prevalence of Sigmoid Sinus Dehiscence and Diverticulum among Adults with Skull Base Cephaloceles
      H. Sotoudeh, G. Elsayed, S. Ghandili, O. Shafaat, J.D. Bernstock, G. Chagoya, T. Atchley, P. Talati, D. Segar, S. Gupta and A. Singhal
      American Journal of Neuroradiology July 2020, 41 (7) 1251-1255; DOI: https://doi.org/10.3174/ajnr.A6602
  9. Stapf, C.

    1. Neurointervention
      Open Access
      Tandem Carotid Lesions in Acute Ischemic Stroke: Mechanisms, Therapeutic Challenges, and Future Directions
      A.Y. Poppe, G. Jacquin, D. Roy, C. Stapf and L. Derex
      American Journal of Neuroradiology July 2020, 41 (7) 1142-1148; DOI: https://doi.org/10.3174/ajnr.A6582
  10. Starck, G.

    1. Adult Brain
      You have access
      Ventricular Volume Is More Strongly Associated with Clinical Improvement Than the Evans Index after Shunting in Idiopathic Normal Pressure Hydrocephalus
      J. Neikter, S. Agerskov, P. Hellström, M. Tullberg, G. Starck, D. Ziegelitz and D. Farahmand
      American Journal of Neuroradiology July 2020, 41 (7) 1187-1192; DOI: https://doi.org/10.3174/ajnr.A6620
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American Journal of Neuroradiology: 41 (7)
American Journal of Neuroradiology
Vol. 41, Issue 7
1 Jul 2020
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