Letters to the Editor

Acute Hepatic (or Hyperammonemic) Encephalopathy: Diffuse Cortical Injury and the Significance of Ammonia

Published ahead of print on June 30, 2011 doi: 10.3174/ajnr.A2622 American Journal of Neuroradiology 32:E142, August 2011 © 2011 American Society of Neuroradiology A. M. McKinneya, B. Sarikayaa, J. Spanbauera and B. D. Lohmana aDepartment of Radiology E. Uhlmannb bDepartment of Neurology  Hennepin County and University

The Diagnostic, Prognostic, and Differential Value of Enhanced MR Imaging in Guillain-Barré Syndrome

Published ahead of print on May 19, 2011 doi: 10.3174/ajnr.A2620 American Journal of Neuroradiology 32:E140, August 2011 © 2011 American Society of Neuroradiology H.-f. Lia and X.-j. Jib aDepartment of Neurology bDepartment of Emergency Neurology  Affiliated Hospital of Medical College  Qingdao University, Qingdao  Shandong,

Regarding “Aneurysm Rupture Following Treatment with Flow-Diverting Stents: Computational Hemodynamics Analysis of Treatment”

Published ahead of print on April 21, 2011 doi: 10.3174/ajnr.A2534 American Journal of Neuroradiology 32:E95-E97, May 2011 © 2011 American Society of Neuroradiology D. Fiorellaa, C. Sadasivana, H. H. Wooa and B. Liebera aDepartment of Neurosurgery Stony Brook University Medical Center Stony Brook, New

CT Angiographic Source Images with Modern Multisection CT Scanners: Appropriate Injection Protocol Is Crucial

Published ahead of print on April 7, 2011 doi: 10.3174/ajnr.A2493 American Journal of Neuroradiology 32:E93, May 2011 © 2011 American Society of Neuroradiology S.P. Kloskaa aDepartment of Neuroradiology University of Erlangen-Nuremberg Erlangen, Germany and Department of Clinical Radiology University of Muenster