Index by author
Hackney, D.
- EDITOR'S CHOICEAdult BrainYou have accessDiagnostic Accuracy of PET, SPECT, and Arterial Spin-Labeling in Differentiating Tumor Recurrence from Necrosis in Cerebral Metastasis after Stereotactic RadiosurgeryG. Lai, A. Mahadevan, D. Hackney, P.C. Warnke, F. Nigim, E. Kasper, E.T. Wong, B.S. Carter and C.C. ChenAmerican Journal of Neuroradiology December 2015, 36 (12) 2250-2255; DOI: https://doi.org/10.3174/ajnr.A4475
The authors retrospectively reviewed patients treated between 2007–2010 and identified 14 patients with cerebral metastasis who had clinical or radiographic progression following stereotactic radiosurgery and were imaged with arterial spin-labeling (ASL), FDG-PET, and thallium SPECT before stereotactic biopsy. FDG-PET and ASL were equally sensitive in detecting tumor progression (83%). The specificity of ASL was superior to that of the other modalities (100%, 75%, and 50%, respectively). A combination of modalities did not augment the sensitivity, specificity, positive predictive value, or negative predictive value of ASL.
Hinckley, P.J.
- Extracranial VascularOpen AccessOptimal Prediction of Carotid Intraplaque Hemorrhage Using Clinical and Lumen Imaging MarkersM.S. McLaughlin, P.J. Hinckley, S.M. Treiman, S.-E. Kim, G.J. Stoddard, D.L. Parker, G.S. Treiman and J.S. McNallyAmerican Journal of Neuroradiology December 2015, 36 (12) 2360-2366; DOI: https://doi.org/10.3174/ajnr.A4454
Hirsch, J.A.
- Adult BrainOpen AccessMultimodal Diagnostic Imaging for Hyperacute StrokeK.D. Vo, A.J. Yoo, A. Gupta, Y. Qiao, A.S. Vagal, J.A. Hirsch, D.M. Yousem and C. LumAmerican Journal of Neuroradiology December 2015, 36 (12) 2206-2213; DOI: https://doi.org/10.3174/ajnr.A4530
Hodel, J.
- FELLOWS' JOURNAL CLUBAdult BrainYou have accessBrain Magnetic Susceptibility Changes in Patients with Natalizumab-Associated Progressive Multifocal LeukoencephalopathyJ. Hodel, O. Outteryck, S. Verclytte, V. Deramecourt, A. Lacour, J.-P. Pruvo, P. Vermersch and X. LeclercAmerican Journal of Neuroradiology December 2015, 36 (12) 2296-2302; DOI: https://doi.org/10.3174/ajnr.A4436
These authors retrospectively evaluated 12 patients with natalizumab–progressive multifocal leukoencephalopathy (PML), 5 with PML from other causes, and 55 patients with MS without progressive PML for comparison. They observed T2* or SWI signal abnormalities at the chronic stage in all patients with PML, but in patients without PML no areas of low SWI signal intensity were detected. PML—related to natalizumab or not—induces brain susceptibility changes within U-fibers or deep gray matter that are visible on T2* or SWI and potentially explained by iron deposition.
Hojjat, S.-P.
- Adult BrainYou have accessEffect of Collaterals on Clinical Presentation, Baseline Imaging, Complications, and Outcome in Acute StrokeE.M. Fanou, J. Knight, R.I. Aviv, S.-P. Hojjat, S.P. Symons, L. Zhang and M. WintermarkAmerican Journal of Neuroradiology December 2015, 36 (12) 2285-2291; DOI: https://doi.org/10.3174/ajnr.A4453
Holodny, A.I.
- Adult BrainOpen AccessT1-Weighted Dynamic Contrast-Enhanced MRI as a Noninvasive Biomarker of Epidermal Growth Factor Receptor vIII StatusJ. Arevalo-Perez, A.A. Thomas, T. Kaley, J. Lyo, K.K. Peck, A.I. Holodny, I.K. Mellinghoff, W. Shi, Z. Zhang and R.J. YoungAmerican Journal of Neuroradiology December 2015, 36 (12) 2256-2261; DOI: https://doi.org/10.3174/ajnr.A4484
Homola, G.A.
- EDITOR'S CHOICEAdult BrainOpen AccessResponses of the Human Brain to Mild Dehydration and Rehydration Explored In Vivo by 1H-MR Imaging and SpectroscopyA. Biller, M. Reuter, B. Patenaude, G.A. Homola, F. Breuer, M. Bendszus and A.J. BartschAmerican Journal of Neuroradiology December 2015, 36 (12) 2277-2284; DOI: https://doi.org/10.3174/ajnr.A4508
Serial T1WI and 1H-MR spectroscopy data were acquired in 15 healthy individuals at normohydration, at 12 hours of dehydration, and during 1 hour of oral rehydration. Osmotic challenges were monitored by serum measures, including osmolality and hematocrit. With dehydration, serum osmolality increased by 0.67% and brain tissue fluid decreased by 1.63%. MR imaging morphometry demonstrated corresponding decreases of cortical thickness and volumes of the whole brain, cortex, white matter, and hypothalamus/thalamus. These changes reversed during rehydration. The authors conclude that it is essential to control for hydration levels in studies on brain morphometry and metabolism in order to avoid confounding the findings.
Howell, L.
- NeurointerventionOpen AccessAn Enhanced Model of Middle Cerebral Artery Occlusion in Nonhuman Primates Using an Endovascular Trapping TechniqueF.C. Tong, X. Zhang, D.J. Kempf, M.S. Yepes, F.R. Connor-Stroud, S. Zola and L. HowellAmerican Journal of Neuroradiology December 2015, 36 (12) 2354-2359; DOI: https://doi.org/10.3174/ajnr.A4448
Hu, L.S.
- Adult BrainOpen AccessImpact of Software Modeling on the Accuracy of Perfusion MRI in GliomaL.S. Hu, Z. Kelm, P. Korfiatis, A.C. Dueck, C. Elrod, B.M. Ellingson, T.J. Kaufmann, J.M. Eschbacher, J.P. Karis, K. Smith, P. Nakaji, D. Brinkman, D. Pafundi, L.C. Baxter and B.J. EricksonAmerican Journal of Neuroradiology December 2015, 36 (12) 2242-2249; DOI: https://doi.org/10.3174/ajnr.A4451
Hwang, I.
- Adult BrainYou have accessDifferentiation of Parkinsonism-Predominant Multiple System Atrophy from Idiopathic Parkinson Disease Using 3T Susceptibility-Weighted MR Imaging, Focusing on Putaminal Change and Lesion AsymmetryI. Hwang, C.-H. Sohn, K.M. Kang, B.S. Jeon, H.-J. Kim, S.H. Choi, T.J. Yun and J.-h. KimAmerican Journal of Neuroradiology December 2015, 36 (12) 2227-2234; DOI: https://doi.org/10.3174/ajnr.A4442
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