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      Brain 
  
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      Insula and Orbitofrontal Cortical Morphology in Substance Dependence Is Modulated by Sex  
    	J. Tanabe, P. York, T. Krmpotich, D. Miller, M. Dalwani, J.T. Sakai, S.K. Mikulich-Gilbertson, L. Thompson, E. Claus, M. Banich and D.C. Rojas
  
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      Differentiation of Primary Central Nervous System Lymphomas and Glioblastomas: Comparisons of Diagnostic Performance of Dynamic Susceptibility Contrast-Enhanced Perfusion MR Imaging without and with Contrast-Leakage Correction  
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      Quantitative CT Densitometry for Predicting Intracerebral Hemorrhage Growth  
    	C.D. Barras, B.M. Tress, S. Christensen, M. Collins, P.M. Desmond, B.E. Skolnick, S.A. Mayer and S.M. Davis for the Recombinant Activated Factor VII Intracerebral Hemorrhage Trial Investigators
  
    	American Journal of Neuroradiology June 2013, 34 (6) 1139-1144; DOI: https://doi.org/10.3174/ajnr.A3375 
  
  
  


  
  
      Brain 
  
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      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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      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.
  
  


  
  
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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 
  
  
  


  
  
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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 
  
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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).

  
  


  
  
      Brain 
  
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      Effect of Patient Sex on White Matter Alterations in Unilateral Medial Temporal Lobe Epilepsy with Hippocampal Sclerosis Assessed by Diffusion Tensor Imaging  
    	K.K. Oguz, I. Tezer, E. Sanverdi, A.C. Has, B. Bilginer, A. Dolgun and S. Saygi
  
    	American Journal of Neuroradiology May 2013, 34 (5) 1010-1015; DOI: https://doi.org/10.3174/ajnr.A3328 
  
  
  


  
  
      Brain 
  
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      T1-Weighted Dynamic Contrast-Enhanced MR Evaluation of Different Stages of Neurocysticercosis and Its Relationship with Serum MMP-9 Expression  
    	R.K. Gupta, R. Awasthi, R.K. Garg, N. Kumar, P.K. Gupta, A.K. Singh, P. Sahoo, V.K. Paliwal, K.N. Prasad, C.M. Pandey and R.K.S. Rathore
  
    	American Journal of Neuroradiology May 2013, 34 (5) 997-1003; DOI: https://doi.org/10.3174/ajnr.A3346 
  
  
  

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