Erratum ======= [In the case report section of the article MR Imaging Findings of Spinal Posterior Column Involvement in a Case of Miller Fisher Syndrome which appears in the April 2004 issue of the AJNR (AJNR:25:645–648), the authors would like to acknowledge an error in the amount of Gamma-globulin administered as 400mg/kg/day as opposed to 40mg/kg/day as originally stated.](http://www.ajnr.org/lookup/volpage/25/645) * Copyright © American Society of Neuroradiology