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American Journal of Neuroradiology
American Journal of Neuroradiology

American Journal of Neuroradiology

ASHNR American Society of Functional Neuroradiology ASHNR American Society of Pediatric Neuroradiology ASSR
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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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MY CONTENT

  • Pediatrics
    You have access
    Susceptibility-Weighted Imaging Findings in Aspartylglucosaminuria
    A. Tokola, M. Laine, R. Tikkanen and T. Autti
    American Journal of Neuroradiology November 2019, 40 (11) 1850-1854; DOI: https://doi.org/10.3174/ajnr.A6288
  • Spine
    You have access
    Unintended Consequences: Review of New Artifacts Introduced by Iterative Reconstruction CT Metal Artifact Reduction in Spine Imaging
    D.R. Wayer, N.Y. Kim, B.J. Otto, A.M. Grayev and A.D. Kuner
    American Journal of Neuroradiology November 2019, 40 (11) 1973-1975; DOI: https://doi.org/10.3174/ajnr.A6238
  • FELLOWS' JOURNAL CLUBPatient Safety
    Open Access
    Evaluation of Lower-Dose Spiral Head CT for Detection of Intracranial Findings Causing Neurologic Deficits
    J.G. Fletcher, D.R. DeLone, A.L. Kotsenas, N.G. Campeau, V.T. Lehman, L. Yu, S. Leng, D.R. Holmes, P.K. Edwards, M.P. Johnson, G.J. Michalak, R.E. Carter and C.H. McCollough
    American Journal of Neuroradiology November 2019, 40 (11) 1855-1863; DOI: https://doi.org/10.3174/ajnr.A6251

    Projection data from 83 patients undergoing unenhanced spiral head CT for suspected neurologic deficits were collected. A routine dose was obtained using 250 effective mAs and iterative reconstruction. Lower-dose configurations were reconstructed (25-effective mAs iterative reconstruction, 50-effective mAs filtered back-projection and iterative reconstruction, 100-effective mAs filtered back-projection and iterative reconstruction, 200-effective mAs filtered back-projection). Three neuroradiologists circled findings, indicating diagnosis, confidence, and image quality. The routine-dose jackknife alternative free-response receiver operating characteristic figure of merit was 0.87. Noninferiority was shown for 100-effective mAs iterative reconstruction and 200-effective mAs filtered back-projection, but not for100-effective mAs filtered back-projection. The authors conclude that substantial opportunity exists for dose reduction using spiral nonenhanced head CT and that the dose level might potentially be reduced to 40% of routine dose levels or a volume CT dose index of approximately 15mGy if slight decreases in performance are acceptable. The beneficial effect of iterative reconstrution was most pronounced at this 15-mGy dose level.

  • 35 Years Ago In Ajnr
    You have access
    Celebrating 35 Years of the AJNR
    American Journal of Neuroradiology November 2019, 40 (11) 1976; DOI: https://doi.org/10.3174/ajnr.P0084
  • Patient Safety
    You have access
    Dose Reduction While Preserving Diagnostic Quality in Head CT: Advancing the Application of Iterative Reconstruction Using a Live Animal Model
    F.D. Raslau, E.J. Escott, J. Smiley, C. Adams, D. Feigal, H. Ganesh, C. Wang and J. Zhang
    American Journal of Neuroradiology November 2019, 40 (11) 1864-1870; DOI: https://doi.org/10.3174/ajnr.A6258
  • LETTER
    You have access
    An Important Pitfall in Diagnosing Intracanalicular Vestibular Schwannoma
    A. Hakim and F. Wagner
    American Journal of Neuroradiology October 2019, 40 (10) E58-E59; DOI: https://doi.org/10.3174/ajnr.A6192
  • Erratum
    You have access
    Erratum
    American Journal of Neuroradiology October 2019, 40 (10) E63; DOI: https://doi.org/10.3174/ajnr.A6206
  • Adult Brain
    Open Access
    Cerebral Damage after Carbon Monoxide Poisoning: A Longitudinal Diffusional Kurtosis Imaging Study
    Y. Zhang, T. Wang, J. Lei, S. Guo, S. Wang, Y. Gu, S. Wang, Y. Dou and X. Zhuang
    American Journal of Neuroradiology October 2019, 40 (10) 1630-1637; DOI: https://doi.org/10.3174/ajnr.A6201
  • Interventional
    You have access
    Predicting Factors of Angiographic Aneurysm Occlusion after Treatment with the Woven EndoBridge Device: A Single-Center Experience with Midterm Follow-Up
    F. Cagnazzo, R. Ahmed, R. Zannoni, C. Dargazanli, P.-H. Lefevre, G. Gascou, I. Derraz, C. Riquelme, A. Bonafe and V. Costalat
    American Journal of Neuroradiology October 2019, 40 (10) 1773-1778; DOI: https://doi.org/10.3174/ajnr.A6221
  • Adult Brain
    You have access
    An Introduction to Kurtosis Fractional Anisotropy
    B. Hansen
    American Journal of Neuroradiology October 2019, 40 (10) 1638-1641; DOI: https://doi.org/10.3174/ajnr.A6235

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