POSTER SESSION I STOWELL-ORBISON/AUTOPSY and SURGICAL PATHOLOGY AWARDS COMPETITION Monday, March 9, 2009   —  9:30 AM - 12:00 Noon Hynes Convention Center, Hall C/D Click on the blue numbers in parentheses to display abstracts. Click the button next to any title to add to Itinerary Planner... NEUROPATHOLOGY Poster# Title and Authors Itinerary Planner 217 FISH-Based Molecular Assay for i17q REPA/REPB Rearrangement in Medulloblastoma; a Blinded Study (1486) GA Bien-Willner, D Lopez-Terrada, MB Bhattacharjee, K Patel, P Stankiewicz, A Perry, JR Lupski - Washington University School of Medicine, St. Louis, MO; Baylor College of Medicine and Texas Children's Hospital, Houston, TX Add 218 Neuronal Markers Expression and Outcome in Glioblastoma (1489) K Donev, BW Scheithauer, FJ Rodriguez, SM Jenkins - Mayo Clinic, Rochester, MN Add 219 Maternal Immune Activation Causes Overgrowth of the Fetal Cerebral Cortex (1491) RM Elliott, MP Anderson - Beth Israel Deaconess Medical Center, Boston, MA Add 220 Expression of Annexin A1 and Constitutive Activation of the Akt/mTOR Pathway in High-Grade Diffuse Gliomas: A Potential Connection with S Phase Kinase-Associated Protein in Glioma Progression (1492) AE Gullett, X Duan, GN Fuller, R Brown, Y Li, R Luthra, W Wiseman, E Resetkova, H Yao, V Puduvalli, Y Wu, JM Bruner, CT Albarracin - UTHSC and UT MD Anderson, Houston, TX Add 221 Pituicytoma Histogenesis: TTF-1 Expression in Normal and Neoplastic Pituicytes (1502) EB Lee, T Tihan, PJ Zhang, NK Gonatas - Hospital of the University of Pennsylvania, Philadelphia, PA; University of California at San Francisco, San Francisco, CA Add 222 Reverse Transcriptase-Polymerase Chain Reaction Assay for Detecting Epidermal Growth Factor Receptor Variant-III in Glioblastomas (1513) A Raghunathan, G Sharma, L Whiteley, JA Gutierrez, D Chitale - Henry Ford Hospital, Detroit, MI Add 223 Epstein-Barr Virus in Multiple Sclerosis (1517) MP Toscano, C Cohen, SB Hunter - Emory University, Atlanta, GA Add 224 Increased Inhibitor of Differentiation 4 Expression in Glioblastoma: A Tissue Microarray Study (1520) W Zeng, D Hartmann, N Azumi - Georgetown University Hospital, Washington, DC Add