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Index by author

August 01, 2018; Volume 39,Issue 8

  1. Wager, M.

    1. FELLOWS' JOURNAL CLUBAdult Brain
      Added Value of Spectroscopy to Perfusion MRI in the Differential Diagnostic Performance of Common Malignant Brain Tumors
      A. Vallée, C. Guillevin, M. Wager, V. Delwail, R. Guillevin and J.-N. Vallée
      American Journal of Neuroradiology August 2018, 39 (8) 1423-1431; DOI: https://doi.org/10.3174/ajnr.A5725

      From January 2013 to January 2016, fifty-five consecutive patients with histopathologically proved lymphomas, glioblastomas, and metastases were included in this study after undergoing MR imaging. The perfusion parameters (maximum relative CBV, maximum percentage of signal intensity recovery) and spectroscopic concentration ratios (lactate/Cr, Cho/NAA, Cho/Cr, and lipids/Cr) were analyzed individually and in optimal combinations. The highest differential diagnostic performance was obtained with the following combined classifiers: 1) maximum percentage of signal intensity recovery-Cho/NAA to discriminate lymphomas from glioblastomas and metastases; 2) relative CBV-Cho/NAA to discriminate glioblastomas from lymphomas and metastases; and 3) maximum percentage of signal intensity recovery-lactate/Cr and maximum percentage of signal intensity recovery-Cho/Cr to discriminate metastases from lymphomas and glioblastomas. The authors conclude that spectroscopy yielded an added performance value to perfusion using optimal combined classifiers of these modalities.

  2. Wagner, F.

    1. LETTER
      Another Important Pitfall in the Diagnosis of Dural Sinus Thrombosis in Neonates
      A. Hakim and F. Wagner
      American Journal of Neuroradiology August 2018, 39 (8) E92; DOI: https://doi.org/10.3174/ajnr.A5674

  3. Walsh, J.P.

    1. LETTER
      Medullary Edema and Enhancement with a Straight Upper Border in Cases of Dural Arteriovenous Fistulas
      D. Byrne, J.P. Walsh, T. Lynch and E.C. Kavanagh
      American Journal of Neuroradiology August 2018, 39 (8) E90-E91; DOI: https://doi.org/10.3174/ajnr.A5681

  4. Wang, G.

    1. EDITOR'S CHOICEPediatrics
      The Bone Does Not Predict the Brain in Sturge-Weber Syndrome
      R.R. Warne, O.M. Carney, G. Wang, D. Bhattacharya, W.K. Chong, S.E. Aylett and K. Mankad
      American Journal of Neuroradiology August 2018, 39 (8) 1543-1549; DOI: https://doi.org/10.3174/ajnr.A5722

      MR imaging of 139 children presenting with port-wine stain and/or Sturge-Weber syndrome between 1998 and 2017 was evaluated by 2 pediatric neuroradiologists for marrow signal abnormality and pial angioma and other Sturge-Weber syndrome features. Groups were divided into port-wine stain-only (without intracranial Sturge-Weber syndrome features) and Sturge-Weber syndrome (the presence of cerebral pial angioma). In the port-wine stain-only cohort, 78% had ipsilateral bony changes and 17% had no intraosseous changes. In the Sturge-Weber syndrome cohort, 84/99 had associated port-wine stain, 91% had bony changesipsilateral to the port-wine stain or had no bone changes in the absence of port-wine stain, and 77% had bony changes ipsilateral to a cerebral pial angioma. The authors conclude that intraosseous marrow changes are strongly associated with facial port-wine stain. No significant association was found between pial angioma and bone marrow changes.

  5. Wang, K.C.

    1. Spine
      Detection of the Stellate and Thoracic Sympathetic Chain Ganglia with High-Resolution 3D-CISS MR Imaging
      A. Chaudhry, A. Kamali, D.A. Herzka, K.C. Wang, J.A. Carrino and A.M. Blitz
      American Journal of Neuroradiology August 2018, 39 (8) 1550-1554; DOI: https://doi.org/10.3174/ajnr.A5698

  6. Wang, M.

    1. Head & Neck
      Open Access
      Application of Reduced-FOV Diffusion-Weighted Imaging in Evaluation of Normal Pituitary Glands and Pituitary Macroadenomas
      M. Wang, H. Liu, X. Wei, C. Liu, T. Liang, X. Zhang, C. Jin, X. Li, Q. Sun, H. Jiang and J. Yang
      American Journal of Neuroradiology August 2018, 39 (8) 1499-1504; DOI: https://doi.org/10.3174/ajnr.A5735

  7. Wang, Y.

    1. FELLOWS' JOURNAL CLUBInterventional
      Primary Angioplasty without Stenting for Symptomatic, High-Grade Intracranial Stenosis with Poor Circulation
      Y. Wang, Y. Ma, P. Gao, Y. Chen, B. Yang and L. Jiao
      American Journal of Neuroradiology August 2018, 39 (8) 1487-1492; DOI: https://doi.org/10.3174/ajnr.A5708

      Thirty-five patients with high-grade, symptomatic intracranial stenosis and poor antegrade flow, treated with intracranial angioplasty without stent placement from January 2010 to December 2016, were retrospectively reviewed. The main outcomes included the changes in antegrade flow and residual stenosis and any stroke or death within 1 month. The average preprocedure stenosis was 88%. The immediate, average postprocedure stenosis rate was 25%, and the average postprocedure stenosis rate at last angiographic follow-up was 35%. The primary end point of major stroke or death at 30 days was observed in 1 patient (1/35, 2.9%), and no patient had intraprocedural complications. The authors conclude that primary balloon angioplasty was an effective treatment option for symptomatic intracranial stenosis with a high risk of stroke.

  8. Wang, Z.

    1. Functional
      Open Access
      Resting-State Functional MRI: Everything That Nonexperts Have Always Wanted to Know
      H. Lv, Z. Wang, E. Tong, L.M. Williams, G. Zaharchuk, M. Zeineh, A.N. Goldstein-Piekarski, T.M. Ball, C. Liao and M. Wintermark
      American Journal of Neuroradiology August 2018, 39 (8) 1390-1399; DOI: https://doi.org/10.3174/ajnr.A5527

  9. Warne, R.R.

    1. EDITOR'S CHOICEPediatrics
      The Bone Does Not Predict the Brain in Sturge-Weber Syndrome
      R.R. Warne, O.M. Carney, G. Wang, D. Bhattacharya, W.K. Chong, S.E. Aylett and K. Mankad
      American Journal of Neuroradiology August 2018, 39 (8) 1543-1549; DOI: https://doi.org/10.3174/ajnr.A5722

      MR imaging of 139 children presenting with port-wine stain and/or Sturge-Weber syndrome between 1998 and 2017 was evaluated by 2 pediatric neuroradiologists for marrow signal abnormality and pial angioma and other Sturge-Weber syndrome features. Groups were divided into port-wine stain-only (without intracranial Sturge-Weber syndrome features) and Sturge-Weber syndrome (the presence of cerebral pial angioma). In the port-wine stain-only cohort, 78% had ipsilateral bony changes and 17% had no intraosseous changes. In the Sturge-Weber syndrome cohort, 84/99 had associated port-wine stain, 91% had bony changesipsilateral to the port-wine stain or had no bone changes in the absence of port-wine stain, and 77% had bony changes ipsilateral to a cerebral pial angioma. The authors conclude that intraosseous marrow changes are strongly associated with facial port-wine stain. No significant association was found between pial angioma and bone marrow changes.

  10. Wei, X.

    1. Head & Neck
      Open Access
      Application of Reduced-FOV Diffusion-Weighted Imaging in Evaluation of Normal Pituitary Glands and Pituitary Macroadenomas
      M. Wang, H. Liu, X. Wei, C. Liu, T. Liang, X. Zhang, C. Jin, X. Li, Q. Sun, H. Jiang and J. Yang
      American Journal of Neuroradiology August 2018, 39 (8) 1499-1504; DOI: https://doi.org/10.3174/ajnr.A5735
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