Letters to the Editor

Cumulative Radiation Dose in Patients with Aneurysmal Subarachnoid Hemorrhage

Published ahead of print on October 21, 2010 doi: 10.3174/ajnr.A2260 American Journal of Neuroradiology 31:E87-E88, November-December 2010 © 2010 American Society of Neuroradiology A. Mamouriana, M. O’Sheaa and A.D.A. Maidmenta aDepartment of Radiology Hospital of the University of Pennsylvania Philadelphia, Pennsylvania We applaud

Simple Linear Regression Model Is Misleading When Used to Analyze Quantitative Diffusion Tensor Imaging Data That Include Young and Old Adults

Published ahead of print on June 10, 2010 doi: 10.3174/ajnr.A2184 American Journal of Neuroradiology 31:E80, October 2010 © 2010 American Society of Neuroradiology K.M. Hasana aAssociate Professor of Diagnostic and Interventional Imaging Department of Diagnostic and Interventional Imaging University of Texas

Proton MR Spectroscopy of Progressive Multifocal Leukoencephalopathy–Immune Reconstitution Inflammatory Syndrome

Published ahead of print on June 10, 2010 doi: 10.3174/ajnr.A2160 American Journal of Neuroradiology 31:E69-E70, September 2010 © 2010 American Society of Neuroradiology V. Cuvinciuca aNeuroradiology Department University Hospital Toulouse, France and Neuroradiology Department University Hospital Grenoble, France G. Martin-Blondelb bInfectious