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    More articles from Brain
  

  
  

			
		
	
	
 	
	  
  
		
		
			
			  
  
      
  
  
    
  
  
      EDITOR'S CHOICEBrain 
  
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      Cognitive Impairment in Mild Traumatic Brain Injury: A Longitudinal Diffusional Kurtosis and Perfusion Imaging Study  
    	E.J. Grossman, J.H. Jensen, J.S. Babb, Q. Chen, A. Tabesh, E. Fieremans, D. Xia, M. Inglese and R.I. Grossman
  
    	American Journal of Neuroradiology May 2013, 34 (5) 951-957; DOI: https://doi.org/10.3174/ajnr.A3358 
  
    	DTI, diffusional kurtosis, and arterial spin-labeling were used in an attempt to detect abnormalities in 20 patients shortly after mild traumatic brain injury. These patients were also evaluated for attention, concentration, executive functioning, memory, learning, and information processing. At 1 and 9 months after injury, all patients showed significant abnormalities in gray and white matter by using all techniques and thus these methods may be useful in investigating cognitive impairment after brain injury.
  
  


  
  
      Brain 
  
      Open Access
  
      Central Nervous System Involvement in Adults with Epidemic Hemolytic Uremic Syndrome  
    	M. Wengenroth, J. Hoeltje, J. Repenthin, T.N. Meyer, F. Bonk, H. Becker, S. Faiss, O. Stammel, P.P. Urban and R. Bruening
  
    	American Journal of Neuroradiology May 2013, 34 (5) 1016-1021; DOI: https://doi.org/10.3174/ajnr.A3336 
  
  
  


  
  
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      Prevalence and Topography of Small Hypointense Foci Suggesting Microbleeds on 3T Susceptibility-Weighted Imaging in Various Types of Dementia  
    	H. Uetani, T. Hirai, M. Hashimoto, M. Ikeda, M. Kitajima, F. Sakamoto, D. Utsunomiya, S. Oda, S. Sugiyama, J. Matsubara and Y. Yamashita
  
    	American Journal of Neuroradiology May 2013, 34 (5) 984-989; DOI: https://doi.org/10.3174/ajnr.A3332 
  
  
  


  
  
      EDITOR'S CHOICEBrain 
  
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      Postoperative Changes in Cerebral Metabolites Associated with Cognitive Improvement and Impairment after Carotid Endarterectomy: A 3T Proton MR Spectroscopy Study  
    	H. Saito, K. Ogasawara, H. Nishimoto, Y. Yoshioka, T. Murakami, S. Fujiwara, M. Sasaki, M. Kobayashi, K. Yoshida, Y. Kubo, T. Beppu and A. Ogawa
  
    	American Journal of Neuroradiology May 2013, 34 (5) 976-982; DOI: https://doi.org/10.3174/ajnr.A3344 
  
    	This study assessed the use of metabolites seen on MRS as markers of change in cognitive status after carotid artery surgery. MRS and neurocognitive testing were obtained before and after surgery in 100 patients. The results showed that cognition remained unchanged in 80%, improved in 10%, and was impaired in 10% of patients postoperatively and that in these last 2 groups, NAA/Cr correlated well the clinical status. Thus, NAA/Cr may serve as a marker of neurologic status after carotid artery surgery (see accompanying editorial by Lövblad and Pereira).

  
  


  
  
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      CT Perfusion Spot Sign Improves Sensitivity for Prediction of Outcome Compared with CTA and Postcontrast CT  
    	A. Koculym, T.J. Huynh, R. Jakubovic, L. Zhang and R.I. Aviv
  
    	American Journal of Neuroradiology May 2013, 34 (5) 965-970; DOI: https://doi.org/10.3174/ajnr.A3338 
  
  
  


  
  
      EDITOR'S CHOICEBrain 
  
      Open Access
  
      Diagnostic Accuracy of PET for Recurrent Glioma Diagnosis: A Meta-Analysis  
    	T. Nihashi, I.J. Dahabreh and T. Terasawa
  
    	American Journal of Neuroradiology May 2013, 34 (5) 944-950; DOI: https://doi.org/10.3174/ajnr.A3324 
  
    	These authors compared the diagnostic accuracy of PET with that of CT and MRI in the diagnosis of recurrent glioma in 26 previously published articles. PET studies with either FDG or carbon methionine were obtained once glioma recurrence was suspected on CT and/or MRI. Diagnostic accuracies were heterogeneous and studies did not compare PET with other imaging modalities. Despite these limitations, PET with both tracers appears to have a moderately good accuracy as an add-on test for diagnosing recurrent glioma.
  
  


  
  
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      Evaluation of a Practical Visual MRI Rating Scale of Brain White Matter Hyperintensities for Clinicians Based on Largest Lesion Size Regardless of Location  
    	K.S. King, R.M. Peshock, M.W. Warren, L. Alhilali, K. Hulsey, R. McColl, M.F. Weiner, C. Ayers and A. Whittemore
  
    	American Journal of Neuroradiology April 2013, 34 (4) 797-801; DOI: https://doi.org/10.3174/ajnr.A3283 
  
  
  


  
  
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      Can 3T MR Angiography Replace DSA for the Identification of Arteries Feeding Intracranial Meningiomas?  
    	H. Uetani, M. Akter, T. Hirai, Y. Shigematsu, M. Kitajima, Y. Kai, S. Yano, H. Nakamura, K. Makino, M. Azuma, R. Murakami and Y. Yamashita
  
    	American Journal of Neuroradiology April 2013, 34 (4) 765-772; DOI: https://doi.org/10.3174/ajnr.A3284 
  
  
  


  
  
      Brain 
  
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      Visualization of Lenticulostriate Arteries by Flow-Sensitive Black-Blood MR Angiography on a 1.5T MRI System: A Comparative Study between Subjects with and without Stroke  
    	S. Okuchi, T. Okada, M. Ihara, K. Gotoh, A. Kido, K. Fujimoto, A. Yamamoto, M. Kanagaki, S. Tanaka, R. Takahashi and K. Togashi
  
    	American Journal of Neuroradiology April 2013, 34 (4) 780-784; DOI: https://doi.org/10.3174/ajnr.A3310 
  
  
  


  
  
      Brain 
  
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      Correlation of MRI-Derived Apparent Diffusion Coefficients in Newly Diagnosed Gliomas with [¹⁸F]-Fluoro-L-Dopa PET: What Are We Really Measuring with Minimum ADC?  
    	S. Rose, M. Fay, P. Thomas, P. Bourgeat, N. Dowson, O. Salvado, Y. Gal, A. Coulthard and S. Crozier
  
    	American Journal of Neuroradiology April 2013, 34 (4) 758-764; DOI: https://doi.org/10.3174/ajnr.A3315 
  
  
  

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Print ISSN: 0195-6108 Online ISSN: 1936-959X