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Index by author

October 01, 2016; Volume 37,Issue 10

  1. Zeineh, M.M.

    1. ADULT BRAIN
      Open Access
      In Vivo 7T MR Quantitative Susceptibility Mapping Reveals Opposite Susceptibility Contrast between Cortical and White Matter Lesions in Multiple Sclerosis
      W. Bian, E. Tranvinh, T. Tourdias, M. Han, T. Liu, Y. Wang, B. Rutt and M.M. Zeineh
      American Journal of Neuroradiology October 2016, 37 (10) 1808-1815; DOI: https://doi.org/10.3174/ajnr.A4830

  2. Zhang, L.

    1. ADULT BRAIN
      Open Access
      Regional Frontal Perfusion Deficits in Relapsing-Remitting Multiple Sclerosis with Cognitive Decline
      R. Vitorino, S.-P. Hojjat, C.G. Cantrell, A. Feinstein, L. Zhang, L. Lee, P. O'Connor, T.J. Carroll and R.I. Aviv
      American Journal of Neuroradiology October 2016, 37 (10) 1800-1807; DOI: https://doi.org/10.3174/ajnr.A4824

  3. Zhang, L.J.

    1. FELLOWS' JOURNAL CLUBADULT BRAIN
      Open Access
      Cerebral CTA with Low Tube Voltage and Low Contrast Material Volume for Detection of Intracranial Aneurysms
      Q.Q. Ni, G.Z. Chen, U.J. Schoepf, M.A.J. Klitsie, C.N. De Cecco, C.S. Zhou, S. Luo, G.M. Lu and L.J. Zhang
      American Journal of Neuroradiology October 2016, 37 (10) 1774-1780; DOI: https://doi.org/10.3174/ajnr.A4803

      A cohort of 204 patients were randomly divided into 2 groups. Patients in group A (n = 102) underwent 80-kVp CTA with 30 mL of contrast agent, while patients in group B (n = 102) underwent conventional CTA (120 kVp, 60 mL of contrast agent). With DSA as a reference standard, diagnostic accuracy on a per-aneurysm basis was 89.9% for group A and 93.9% for group B. The authors conclude that in detecting intracranial aneurysms, 80-kVp/30-mL contrast CTA provides the same diagnostic accuracy as conventional CTA with substantial radiation dose and contrast agent reduction.

  4. Zhang, Y.

    1. EDITOR'S CHOICEADULT BRAIN
      Open Access
      Magnetic Susceptibility from Quantitative Susceptibility Mapping Can Differentiate New Enhancing from Nonenhancing Multiple Sclerosis Lesions without Gadolinium Injection
      Y. Zhang, S.A. Gauthier, A. Gupta, L. Tu, J. Comunale, G.C.-Y. Chiang, W. Chen, C.A. Salustri, W. Zhu and Y. Wang
      American Journal of Neuroradiology October 2016, 37 (10) 1794-1799; DOI: https://doi.org/10.3174/ajnr.A4856

      In 54 patients, new T2-weighted lesions were evaluated for enhancement on conventional T1-weighted imaging with gadolinium, and their susceptibility values were measured on quantitative susceptibility mapping. Eighty-six of 133 new lesions that were gadolinium-enhancing had relative susceptibility values significantly lower than those of nonenhancing lesions. Using susceptibility values to discriminate enhancing from nonenhancing lesions showed a sensitivity of 88.4% and specificity of 91.5%, with a cutoff value of 11.2 parts per billion for QSM.

  5. Zhou, C.S.

    1. FELLOWS' JOURNAL CLUBADULT BRAIN
      Open Access
      Cerebral CTA with Low Tube Voltage and Low Contrast Material Volume for Detection of Intracranial Aneurysms
      Q.Q. Ni, G.Z. Chen, U.J. Schoepf, M.A.J. Klitsie, C.N. De Cecco, C.S. Zhou, S. Luo, G.M. Lu and L.J. Zhang
      American Journal of Neuroradiology October 2016, 37 (10) 1774-1780; DOI: https://doi.org/10.3174/ajnr.A4803

      A cohort of 204 patients were randomly divided into 2 groups. Patients in group A (n = 102) underwent 80-kVp CTA with 30 mL of contrast agent, while patients in group B (n = 102) underwent conventional CTA (120 kVp, 60 mL of contrast agent). With DSA as a reference standard, diagnostic accuracy on a per-aneurysm basis was 89.9% for group A and 93.9% for group B. The authors conclude that in detecting intracranial aneurysms, 80-kVp/30-mL contrast CTA provides the same diagnostic accuracy as conventional CTA with substantial radiation dose and contrast agent reduction.

  6. Zhou, Z.

    1. ADULT BRAIN
      Open Access
      Dynamic Susceptibility Contrast-Enhanced MR Perfusion Imaging in Assessing Recurrent Glioblastoma Response to Superselective Intra-Arterial Bevacizumab Therapy
      R. Singh, K. Kesavabhotla, S.A. Kishore, Z. Zhou, A.J. Tsiouris, C.G. Filippi, J.A. Boockvar and I. Kovanlikaya
      American Journal of Neuroradiology October 2016, 37 (10) 1838-1843; DOI: https://doi.org/10.3174/ajnr.A4823

  7. Zhu, W.

    1. EDITOR'S CHOICEADULT BRAIN
      Open Access
      Magnetic Susceptibility from Quantitative Susceptibility Mapping Can Differentiate New Enhancing from Nonenhancing Multiple Sclerosis Lesions without Gadolinium Injection
      Y. Zhang, S.A. Gauthier, A. Gupta, L. Tu, J. Comunale, G.C.-Y. Chiang, W. Chen, C.A. Salustri, W. Zhu and Y. Wang
      American Journal of Neuroradiology October 2016, 37 (10) 1794-1799; DOI: https://doi.org/10.3174/ajnr.A4856

      In 54 patients, new T2-weighted lesions were evaluated for enhancement on conventional T1-weighted imaging with gadolinium, and their susceptibility values were measured on quantitative susceptibility mapping. Eighty-six of 133 new lesions that were gadolinium-enhancing had relative susceptibility values significantly lower than those of nonenhancing lesions. Using susceptibility values to discriminate enhancing from nonenhancing lesions showed a sensitivity of 88.4% and specificity of 91.5%, with a cutoff value of 11.2 parts per billion for QSM.

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