POSTER SESSION I STOWELL-ORBISON/AUTOPSY and SURGICAL PATHOLOGY AWARDS COMPETITION Monday, March 3, 2008   —  9:30 AM - 12:00 Noon Convention Center, Exhibit Hall A Click on the blue numbers in parentheses to display abstracts. Click the button next to any title to add to Itinerary Planner... PEDIATRIC PATHOLOGY Poster# Title and Authors Itinerary Planner 209 Morphoproteomic Confirmation of Activated mTOR, ERK and NF-kappaB Pathways in Ewing's Sarcoma Tumor Family with Cell Cycle and Genomic Correlates: A Preliminary Study (1525) MJ Zenali, PL Zhang, RE Brown - University of Texas, Houston, TX; Geisinger Medical Center, Danville, PA Add 210 Pediatric Yolk Sac Tumors: A Comparison of the Sensitivity of Alpha-Fetoprotein to Glypican 3 (1526) DL Zynger, ND Dimov, JC McCallum, PM Chou, XJ Yang - Northwestern University Fienberg School of Medicine; Children's Memorial Hospital, Chicago, IL Add