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

More articles from Spine Imaging and Spine Image-Guided Interventions

  • Spine Imaging and Spine Image-Guided Interventions
    You have access
    Predicting High-Flow Spinal CSF Leaks in Spontaneous Intracranial Hypotension Using a Spinal MRI-Based Algorithm: Have Repeat CT Myelograms Been Reduced?
    J.T. Verdoorn, P.H. Luetmer, C.M. Carr, J.I. Lane, V.T. Lehman, J.M. Morris, K.R. Thielen, J.T. Wald and F.E. Diehn
    American Journal of Neuroradiology January 2016, 37 (1) 185-188; DOI: https://doi.org/10.3174/ajnr.A4465
  • EDITOR'S CHOICESpine Imaging and Spine Image-Guided Interventions
    You have access
    Spine Cryoablation: Pain Palliation and Local Tumor Control for Vertebral Metastases
    A. Tomasian, A. Wallace, B. Northrup, T.J. Hillen and J.W. Jennings
    American Journal of Neuroradiology January 2016, 37 (1) 189-195; DOI: https://doi.org/10.3174/ajnr.A4521

    This is a retrospective study of imaging-guided spine cryoablation that was performed on 31 vertebral metastases in 14 patients. The lesions were refractory to conventional chemoradiation therapy or analgesics and were ablated to achieve pain palliation and local tumor control. The procedures were performed with the patient under conscious sedation (13 patients) or general anesthesia in 1 case. Postcryoablation MR imaging and PET/CT imaging were available for all patients. Spinal nerve and soft-tissue thermal protection techniques were implemented in all ablations (epidural or neuroforaminal carbon dioxide or warmed 5% dextrose). There were statistically significant decreases in the median numeric pain rating scale score and analgesic usage at 1-week, 1-month, and 3-month time points. Local tumor control was achieved in 96.7% (30/31) of tumors.

  • Spine Imaging and Spine Image-Guided Interventions
    You have access
    MRI Findings of Disc Degeneration are More Prevalent in Adults with Low Back Pain than in Asymptomatic Controls: A Systematic Review and Meta-Analysis
    W. Brinjikji, F.E. Diehn, J.G. Jarvik, C.M. Carr, D.F. Kallmes, M.H. Murad and P.H. Luetmer
    American Journal of Neuroradiology December 2015, 36 (12) 2394-2399; DOI: https://doi.org/10.3174/ajnr.A4498
  • EDITOR'S CHOICESpine Imaging and Spine Image-Guided Interventions
    You have access
    Bone-Subtracted Spinal CT Angiography Using Nonrigid Registration for Better Visualization of Arterial Feeders in Spinal Arteriovenous Fistulas
    T. Nishii, A.K. Kono, M. Nishio, N. Negi, A. Fujita, E. Kohmura and K. Sugimura
    American Journal of Neuroradiology December 2015, 36 (12) 2400-2406; DOI: https://doi.org/10.3174/ajnr.A4435

    CTA images of the arterial and late arterial phases were used to obtain warped images of the late arterial phase by nonrigid registration that was adjusted to the arterial phase images. R-CTA images were then obtained by subtracting the warped images from the arterial phase images. R-CTA had a higher accuracy compared with conventional spinal CTA (80% versus 47%). The authors conclude that subtracted CTA imaging using nonrigid registration detects feeders of spinal arteriovenous fistulas more accurately and quickly than conventional CTA.

  • FELLOWS' JOURNAL CLUBSpine Imaging and Spine Image-Guided Interventions
    You have access
    CT Metal Artifact Reduction in the Spine: Can an Iterative Reconstruction Technique Improve Visualization?
    A.L. Kotsenas, G.J. Michalak, D.R. DeLone, F.E. Diehn, K. Grant, A.F. Halaweish, A. Krauss, R. Raupach, B. Schmidt, C.H. McCollough and J.G. Fletcher
    American Journal of Neuroradiology November 2015, 36 (11) 2184-2190; DOI: https://doi.org/10.3174/ajnr.A4416

    CT images were reconstructed by using weighted filtered back-projection and iterative metal artifact reduction. Two neuroradiologists evaluated images in the region of spinal hardware and assigned a score for the visualization of critical anatomic structures by using soft-tissue and bone windows. Using bone windows, they measured the length of the most pronounced linear artifacts. Visualization of critical soft-tissue anatomic structures was significantly improved by using iterative metal artifact reduction, but there was not a significant improvement in visualization of critical osseous structures. Routine generation of these iterative reconstructed images in addition to routine weighted filtered back-projection is recommended.

  • Neurointervention
    You have access
    The Preventive Effect of Endovascular Treatment for Recurrent Hemorrhage in Patients with Spinal Cord Arteriovenous Malformations
    Y. Niimi, H. Matsukawa, N. Uchiyama and A. Berenstein
    American Journal of Neuroradiology September 2015, 36 (9) 1763-1768; DOI: https://doi.org/10.3174/ajnr.A4396
  • Spine Imaging and Spine Image-Guided Interventions
    You have access
    Are C1–2 Punctures for Routine Cervical Myelography below the Standard of Care?
    D.M. Yousem and S.K. Gujar
    American Journal of Neuroradiology August 2009, 30 (7) 1360-1363; DOI: https://doi.org/10.3174/ajnr.A1594
  • Spine Imaging and Spine Image-Guided Interventions
    Open Access
    Percutaneous Cement Augmentations of Malignant Lesions of the Sacrum and Pelvis
    B.A. Georgy
    American Journal of Neuroradiology August 2009, 30 (7) 1357-1359; DOI: https://doi.org/10.3174/ajnr.A1574
  • Spine Imaging and Spine Image-Guided Interventions
    You have access
    A Pilot Study of the Use of Pain Questionnaires in Vertebroplasty Research
    L.A. Gray and D.F. Kallmes
    American Journal of Neuroradiology August 2009, 30 (7) 1364-1365; DOI: https://doi.org/10.3174/ajnr.A1510
  • Spine Imaging and Spine Image-Guided Interventions
    Open Access
    Baseline Pain and Disability in the Investigational Vertebroplasty Efficacy and Safety Trial
    D.F. Kallmes, B.A. Comstock, L.A. Gray, P.J. Heagerty, W. Hollingworth, J.A. Turner, L. Stout and J.G. Jarvik
    American Journal of Neuroradiology June 2009, 30 (6) 1203-1205; DOI: https://doi.org/10.3174/ajnr.A1519

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