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Index by author

July 01, 2020; Volume 41,Issue 7

  1. Mahmoudi, K.

    1. Spine Imaging and Spine Image-Guided Interventions
      Combination of Imaging Features and Clinical Biomarkers Predicts Positive Pathology and Microbiology Findings Suggestive of Spondylodiscitis in Patients Undergoing Image-Guided Percutaneous Biopsy
      S. Kihira, C. Koo, K. Mahmoudi, T. Leong, X. Mei, B. Rigney, A. Aggarwal and A.H. Doshi
      American Journal of Neuroradiology July 2020, 41 (7) 1316-1322; DOI: https://doi.org/10.3174/ajnr.A6623

  2. Maldjian, J.A.

    1. Pediatric Neuroimaging
      Open Access
      Prevalence and Incidence of Microhemorrhages in Adolescent Football Players
      B.R. Shah, J.M. Holcomb, E.M. Davenport, C.M. Lack, J.M. McDaniel, D.M. Imphean, Y. Xi, D.A. Rosenbaum, J.E. Urban, B.C. Wagner, A.K. Powers, C.T. Whitlow, J.D. Stitzel and J.A. Maldjian
      American Journal of Neuroradiology July 2020, 41 (7) 1263-1268; DOI: https://doi.org/10.3174/ajnr.A6618

  3. Manceau, P.-F.

    1. Neurointervention
      Persistent Blood Flow inside the Woven EndoBridge Device More Than 6 Months after Intracranial Aneurysm Treatment: Frequency, Mechanisms, and Management—A Retrospective Single-Center Study
      H.A. Nguyen, S. Soize, P.-F. Manceau, L. Vudang and L. Pierot
      American Journal of Neuroradiology July 2020, 41 (7) 1225-1231; DOI: https://doi.org/10.3174/ajnr.A6593

  4. Manjila, S.

    1. Heterogeneous Continuum of Cerebral and Cervicofacial Venous Malformations
      S. Manjila
      American Journal of Neuroradiology July 2020, 41 (7) 1215-1216; DOI: https://doi.org/10.3174/ajnr.A6694

  5. Mark, I.T.

    1. FELLOWS' JOURNAL CLUBExtracranial Vascular
      Cervicofacial Venous Malformations Are Associated with Intracranial Developmental Venous Anomalies and Dural Venous Sinus Abnormalities
      W. Brinjikji, I.T. Mark, V.M. Silvera and J.B. Guerin
      American Journal of Neuroradiology July 2020, 41 (7) 1209-1214; DOI: https://doi.org/10.3174/ajnr.A6617

      Sixty-three consecutive patients who presented to the authors' institution with cervicofacial venous malformations and underwent postcontrast MR imaging were studied. Three neuroradiologists reviewed brain MRIs for the presence of developmental venous anomalies, dural venous sinus ectasia, and cavernous malformations. The prevalence of developmental venous anomalies in this patient population was compared with an age- and sex-matched control group without venous malformations. The overall presence of developmental venous anomalies in patients with venous malformations was 36.5% (23/63) compared with 7.9% (10/126) in controls. The prevalence of dural venous sinus ectasia was 9.5% (6/63) compared with 0% for controls. The authors show a significant association between cervicofacial venous malformations and cerebral developmental venous anomalies as well as between cervicofacial venous malformations and dural venous sinus abnormalities.

  6. Markenroth Bloch, K.

    1. EDITOR'S CHOICEAdult Brain
      Open Access
      High Spatiotemporal Resolution 4D Flow MRI of Intracranial Aneurysms at 7T in 10 Minutes
      L.M. Gottwald, J. Töger, K. Markenroth Bloch, E.S. Peper, B.F. Coolen, G.J. Strijkers, P. van Ooij and A.J. Nederveen
      American Journal of Neuroradiology July 2020, 41 (7) 1201-1208; DOI: https://doi.org/10.3174/ajnr.A6603

      The authors used pseudospiral Cartesian undersampling with compressed sensing reconstruction to achieve high spatiotemporal resolution (0.5mm isotropic, ∼30 ms) in a scan time of 10 minutes. They analyzed the repeatability of accelerated 4D-flow scans and compared flow rates, stroke volume, and the pulsatility index with 2D-flow and conventional 4D-flow MR imaging in a flow phantom and 15 healthy subjects. Mean flow-rate bias compared with 2D-flow was lower for accelerated than for conventional 4D-flow MR imaging. Pulsatility index bias gave similar results. Stroke volume bias showed no difference from accelerated bias for conventional 4D-flow MR imaging. Repeatability for accelerated 4D-flow was similar to that of 2D-flow MR imaging. They conclude that highly accelerated high-spatiotemporal-resolution 4D-flow MR imaging at 7T in intracranial arteries and aneurysms provides repeatable and accurate quantitative flow values.

  7. Mcconnell, H.L.

    1. Adult Brain
      Open Access
      Distinguishing Extravascular from Intravascular Ferumoxytol Pools within the Brain: Proof of Concept in Patients with Treated Glioblastoma
      R.F. Barajas, D. Schwartz, H.L. McConnell, C.N. Kersch, X. Li, B.E. Hamilton, J. Starkey, D.R. Pettersson, J.P. Nickerson, J.M. Pollock, R.F. Fu, A. Horvath, L. Szidonya, C.G. Varallyay, J.J. Jaboin, A.M. Raslan, A. Dogan, J.S. Cetas, J. Ciporen, S.J. Han, P. Ambady, L.L. Muldoon, R. Woltjer, W.D. Rooney and E.A. Neuwelt
      American Journal of Neuroradiology July 2020, 41 (7) 1193-1200; DOI: https://doi.org/10.3174/ajnr.A6600

  8. Mcdaniel, J.M.

    1. Pediatric Neuroimaging
      Open Access
      Prevalence and Incidence of Microhemorrhages in Adolescent Football Players
      B.R. Shah, J.M. Holcomb, E.M. Davenport, C.M. Lack, J.M. McDaniel, D.M. Imphean, Y. Xi, D.A. Rosenbaum, J.E. Urban, B.C. Wagner, A.K. Powers, C.T. Whitlow, J.D. Stitzel and J.A. Maldjian
      American Journal of Neuroradiology July 2020, 41 (7) 1263-1268; DOI: https://doi.org/10.3174/ajnr.A6618

  9. Mei, X.

    1. Spine Imaging and Spine Image-Guided Interventions
      Combination of Imaging Features and Clinical Biomarkers Predicts Positive Pathology and Microbiology Findings Suggestive of Spondylodiscitis in Patients Undergoing Image-Guided Percutaneous Biopsy
      S. Kihira, C. Koo, K. Mahmoudi, T. Leong, X. Mei, B. Rigney, A. Aggarwal and A.H. Doshi
      American Journal of Neuroradiology July 2020, 41 (7) 1316-1322; DOI: https://doi.org/10.3174/ajnr.A6623

  10. Mordasini, P.

    1. FELLOWS' JOURNAL CLUBSpine Imaging and Spine Image-Guided Interventions
      Spine MRI in Spontaneous Intracranial Hypotension for CSF Leak Detection: Nonsuperiority of Intrathecal Gadolinium to Heavily T2-Weighted Fat-Saturated Sequences
      T. Dobrocky, A. Winklehner, P.S. Breiding, L. Grunder, G. Peschi, L. Häni, P.J. Mosimann, M. Branca, J. Kaesmacher, P. Mordasini, A. Raabe, C.T. Ulrich, J. Beck, J. Gralla and E.I. Piechowiak
      American Journal of Neuroradiology July 2020, 41 (7) 1309-1315; DOI: https://doi.org/10.3174/ajnr.A6592

      The authors performed a retrospective study of patients with spontaneous intracranial hypotension examined from February 2013 to October 2017. The spine MR imaging was reviewed by 3 blinded readers for the presence of epidural CSF using 3 different sequences (T2WI, 3D T2WI fat-saturated, T1WI gadolinium). In patients with leaks, the presumed level of the leak was reported. They conclude that intrathecal gadolinium-enhanced spine MR imaging does not improve the diagnostic accuracy for the detection of epidural CSF. Gadolinium myelography lacks a rationale to be included in the routine spontaneous intracranial hypotension work-up. Heavily T2-weighted images with fat saturation provide high accuracy for the detection of an epidural CSF collection.

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