POSTER SESSION I STOWELL-ORBISON/AUTOPSY and SURGICAL PATHOLOGY AWARDS COMPETITION Monday, February 28, 2011   —  9:30 AM - 12:00 Noon Exhibit Hall Click on the blue numbers in parentheses to display abstracts. Click the button next to any title to add to Itinerary Planner... BONE & SOFT TISSUE PATHOLOGY Poster# Title and Authors Itinerary Planner 8 Clinicopathological, Immunohistochemical, Ultrastructural and Molecular Analysis of Clear Cell Sarcoma (CCS)-Like Tumor of the GI Tract. (75) DL Stockman, M Miettinen, D Spagnolo, H Dominguez, V Adsay, P Chou, P vanTuinen, B Amanuel, S Suster, EV Zambrano - Medical College of Wisconsin, Milwaukee; Armed Forces Institute of Pathology, Washington, DC; QEII Medical Centre, Nedlands, Western Australia, Australia; Cancer Institute of Mexico, Mexico City, Mexico; Emory University Hospital, Atlanta, GA; Children's Memorial Hospital, Chicago, IL Add 9 Rosai-Dorfman Disease: Another Possible IgG4 Sclerosing Disease? (84) DB Wimmer, YH Ko, J Huh, BH Park, A Lewis, S Shen, AG Ayala, JY Ro - The Methodist Hospital, Weill Medical College of Cornell University, Houston, TX; Sam Sung, Seoul, Korea; Asan Medical Center, Seoul, Korea Add 10 The Pathogenesis of Osteochondroma: Clues from Tracing Proteoglycans in Zebrafish Models and Human Cartilage. (33) CE de Andrea, MI Wiweger, FA Prins, PCW Hogendoorn - Leiden University Medical Center, Netherlands Add 11 SOX10 and S100 in the Diagnosis of Soft Tissue Neoplasms. (53) JR Karamchandani, T Nielsen, M Van de Rijn, RB West - Stanford University Medical Center, CA; University of British Columbia, Vancouver, Canada Add 12 Immunohistochemical and FISH Analysis of Angiosarcoma Arising in Organ Allograft Recipients and in a Patient with Long-Standing Orthopedic Metal Implant. (70) BM Purgina, MA Nalesnik, K Cieply, MA Goodman, RL McGough, UNM Rao - UPMC, Pittsburgh, PA Add