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Index by author

February 01, 2017; Volume 38,Issue 2

  1. Achiron, R.

    1. Pediatric Neuroimaging
      Fetal Brain Anomalies Associated with Ventriculomegaly or Asymmetry: An MRI-Based Study
      E. Barzilay, O. Bar-Yosef, S. Dorembus, R. Achiron and E. Katorza
      American Journal of Neuroradiology February 2017, 38 (2) 371-375; DOI: https://doi.org/10.3174/ajnr.A5009

  2. Adeeb, N.

    1. Neurointervention
      Collar Sign in Incompletely Occluded Aneurysms after Pipeline Embolization: Evaluation with Angiography and Optical Coherence Tomography
      C.J. Griessenauer, R. Gupta, S. Shi, A. Alturki, R. Motiei-Langroudi, N. Adeeb, C.S. Ogilvy and A.J. Thomas
      American Journal of Neuroradiology February 2017, 38 (2) 323-326; DOI: https://doi.org/10.3174/ajnr.A5010

  3. Aiken, A.H.

    1. Head and Neck Imaging
      CT Accuracy of Extrinsic Tongue Muscle Invasion in Oral Cavity Cancer
      J.C. Junn, K.L. Baugnon, E.A. Lacayo, P.A. Hudgins, M.R. Patel, K.R. Magliocca, A.S. Corey, M. El-Deiry, J.T. Wadsworth, J.J. Beitler, N.F. Saba, Y. Liu and A.H. Aiken
      American Journal of Neuroradiology February 2017, 38 (2) 364-370; DOI: https://doi.org/10.3174/ajnr.A4993

  4. Alturki, A.

    1. Neurointervention
      Collar Sign in Incompletely Occluded Aneurysms after Pipeline Embolization: Evaluation with Angiography and Optical Coherence Tomography
      C.J. Griessenauer, R. Gupta, S. Shi, A. Alturki, R. Motiei-Langroudi, N. Adeeb, C.S. Ogilvy and A.J. Thomas
      American Journal of Neuroradiology February 2017, 38 (2) 323-326; DOI: https://doi.org/10.3174/ajnr.A5010

  5. Amrhein, T.J.

    1. Spine Imaging and Spine Image-Guided Interventions
      Inadvertent Intrafacet Injection during Lumbar Interlaminar Epidural Steroid Injection: A Comparison of CT Fluoroscopic and Conventional Fluoroscopic Guidance
      P.G. Kranz, A.B. Joshi, L.A. Roy, K.R. Choudhury and T.J. Amrhein
      American Journal of Neuroradiology February 2017, 38 (2) 398-402; DOI: https://doi.org/10.3174/ajnr.A5000

  6. Andica, C.

    1. FELLOWS' JOURNAL CLUBADULT BRAIN
      Open Access
      Synthetic MRI in the Detection of Multiple Sclerosis Plaques
      A. Hagiwara, M. Hori, K. Yokoyama, M.Y. Takemura, C. Andica, T. Tabata, K. Kamagata, M. Suzuki, K.K. Kumamaru, M. Nakazawa, N. Takano, H. Kawasaki, N. Hamasaki, A. Kunimatsu and S. Aoki
      American Journal of Neuroradiology February 2017, 38 (2) 257-263; DOI: https://doi.org/10.3174/ajnr.A5012

      In this retrospective study, synthetic T2-weighted, FLAIR, double inversion recovery, and phase-sensitive inversion recovery images were produced in 12 patients with MS after quantification of T1 and T2 values and proton density. Double inversion recovery images were optimized for each patient by adjusting the TI. The number of visible plaques was determined by a radiologist for a set of these 4 types of synthetic MR images and a set of conventional T1-weighted inversion recovery, T2-weighted, and FLAIR images. Conventional 3D double inversion recovery and other available images were used as the criterion standard. Synthetic MR imaging enabled detection of more MS plaques than conventional MR imaging in a comparable acquisition time (approximately 7 minutes). The contrast for MS plaques on synthetic double inversion recovery images was better than on conventional double inversion recovery images.

    2. ADULT BRAIN
      Open Access
      Utility of a Multiparametric Quantitative MRI Model That Assesses Myelin and Edema for Evaluating Plaques, Periplaque White Matter, and Normal-Appearing White Matter in Patients with Multiple Sclerosis: A Feasibility Study
      A. Hagiwara, M. Hori, K. Yokoyama, M.Y. Takemura, C. Andica, K.K. Kumamaru, M. Nakazawa, N. Takano, H. Kawasaki, S. Sato, N. Hamasaki, A. Kunimatsu and S. Aoki
      American Journal of Neuroradiology February 2017, 38 (2) 237-242; DOI: https://doi.org/10.3174/ajnr.A4977

  7. Ansari, S.A.

    1. ADULT BRAIN
      Open Access
      Impact of Pial Collaterals on Infarct Growth Rate in Experimental Acute Ischemic Stroke
      G.A. Christoforidis, P. Vakil, S.A. Ansari, F.H. Dehkordi and T.J. Carroll
      American Journal of Neuroradiology February 2017, 38 (2) 270-275; DOI: https://doi.org/10.3174/ajnr.A5003
    2. ADULT BRAIN
      Open Access
      Intracranial Vessel Wall MRI: Principles and Expert Consensus Recommendations of the American Society of Neuroradiology
      D.M. Mandell, M. Mossa-Basha, Y. Qiao, C.P. Hess, F. Hui, C. Matouk, M.H. Johnson, M.J.A.P. Daemen, A. Vossough, M. Edjlali, D. Saloner, S.A. Ansari, B.A. Wasserman and D.J. Mikulis on behalf of the Vessel Wall Imaging Study Group of the American Society of Neuroradiology
      American Journal of Neuroradiology February 2017, 38 (2) 218-229; DOI: https://doi.org/10.3174/ajnr.A4893
    3. EDITOR'S CHOICEADULT BRAIN
      Open Access
      Quantifying Intracranial Plaque Permeability with Dynamic Contrast-Enhanced MRI: A Pilot Study
      P. Vakil, A.H. Elmokadem, F.H. Syed, C.G. Cantrell, F.H. Dehkordi, T.J. Carroll and S.A. Ansari
      American Journal of Neuroradiology February 2017, 38 (2) 243-249; DOI: https://doi.org/10.3174/ajnr.A4998

      The purpose of this study was to use DCE MR imaging to quantify the contrast permeability of intracranial atherosclerotic disease plaques in 10 symptomatic patients and to compare these parameters against existing markers of plaque volatility using black-blood MR imaging pulse sequences. Ktrans and fractional plasma volume (Vp) measurements were higher in plaques versus healthy white matter and similar or less than values in the choroid plexus. Only Ktrans correlated significantly with time from symptom onset. Dynamic contrast-enhanced MR imaging parameters were not found to correlate significantly with intraplaque enhancement or hyperintensity. The authors suggest that Ktrans may be an independent imaging biomarker of acute and symptom-associated pathologic changes in intracranial atherosclerotic disease plaques.

  8. Aoki, S.

    1. FELLOWS' JOURNAL CLUBADULT BRAIN
      Open Access
      Synthetic MRI in the Detection of Multiple Sclerosis Plaques
      A. Hagiwara, M. Hori, K. Yokoyama, M.Y. Takemura, C. Andica, T. Tabata, K. Kamagata, M. Suzuki, K.K. Kumamaru, M. Nakazawa, N. Takano, H. Kawasaki, N. Hamasaki, A. Kunimatsu and S. Aoki
      American Journal of Neuroradiology February 2017, 38 (2) 257-263; DOI: https://doi.org/10.3174/ajnr.A5012

      In this retrospective study, synthetic T2-weighted, FLAIR, double inversion recovery, and phase-sensitive inversion recovery images were produced in 12 patients with MS after quantification of T1 and T2 values and proton density. Double inversion recovery images were optimized for each patient by adjusting the TI. The number of visible plaques was determined by a radiologist for a set of these 4 types of synthetic MR images and a set of conventional T1-weighted inversion recovery, T2-weighted, and FLAIR images. Conventional 3D double inversion recovery and other available images were used as the criterion standard. Synthetic MR imaging enabled detection of more MS plaques than conventional MR imaging in a comparable acquisition time (approximately 7 minutes). The contrast for MS plaques on synthetic double inversion recovery images was better than on conventional double inversion recovery images.

    2. ADULT BRAIN
      Open Access
      Utility of a Multiparametric Quantitative MRI Model That Assesses Myelin and Edema for Evaluating Plaques, Periplaque White Matter, and Normal-Appearing White Matter in Patients with Multiple Sclerosis: A Feasibility Study
      A. Hagiwara, M. Hori, K. Yokoyama, M.Y. Takemura, C. Andica, K.K. Kumamaru, M. Nakazawa, N. Takano, H. Kawasaki, S. Sato, N. Hamasaki, A. Kunimatsu and S. Aoki
      American Journal of Neuroradiology February 2017, 38 (2) 237-242; DOI: https://doi.org/10.3174/ajnr.A4977

  9. Auger, C.

    1. ADULT BRAIN
      Measurement of Cortical Thickness and Volume of Subcortical Structures in Multiple Sclerosis: Agreement between 2D Spin-Echo and 3D MPRAGE T1-Weighted Images
      A. Vidal-Jordana, D. Pareto, J. Sastre-Garriga, C. Auger, E. Ciampi, X. Montalban and A. Rovira
      American Journal of Neuroradiology February 2017, 38 (2) 250-256; DOI: https://doi.org/10.3174/ajnr.A4999

  10. Baek, J.H.

    1. Head and Neck Imaging
      First-Line Use of Core Needle Biopsy for High-Yield Preliminary Diagnosis of Thyroid Nodules
      H.C. Kim, Y.J. Kim, H.Y. Han, J.M. Yi, J.H. Baek, S.Y. Park, J.Y. Seo and K.W. Kim
      American Journal of Neuroradiology February 2017, 38 (2) 357-363; DOI: https://doi.org/10.3174/ajnr.A5007
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