POSTER SESSION II Monday, February 28, 2011   —  1:00 PM - 4:30 PM 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 1 KIT-Negative Gastrointestinal Stromal Tumor of the Abdominal Soft Tissue: A Clinicopathological and Genetic Study of 10 Cases. (86) H Yamamoto, Y Oda - Kyushu University, Fukuoka, Japan Add 2 DOG-1 Expression in Non-Gastrointestinal Stromal Tumor (GIST) Neoplasms. (47) J Hemminger, J Mayerson, W Kraybill, T Scharschmidt, H Iwenofu - The Ohio State University Medical Center, Columbus Add 3 Expression of Epithelial Markers in Nodular Fasciitis and Fibromatosis: An Immunohistochemical Study. (88) S Yasir, M Nadji, P Kurzawa, GP Nielsen, A Rosenberg - University of Miami, Jackson Memorial Hospital, FL; Great Poland Cancer Centre, Poznan; Massachusetts General Hospital, Boston Add 4 Prognostic and Potentially Therapeutic Implications of MTAP Depletion in Myxofibrosarcoma. (77) J-W Tsai, F-M Fang, C-F Li, T-J Chen, Y-H Wang, H-Y Huang - E-Da Hospital, Kaohsiung, Taiwan; Chang Gung Memorial Hospital, Kaohsiung, Taiwan; Chi-Mei Hosp., Tainan, Taiwan; Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan; Institute of Biosignal Transduction, NCKU, Tainan, Taiwan Add 5 Loss of ASS1 Expression in Myxofibrosarcoma Via Promoter Hypermethylation: Prognostic and Potential Therapeutic Implications. (59) C-F Li, L-T Chen, Y-H Wang, Y-L Shiue, H-Y Huang - Chi-Mei Hosp., Tainan, Taiwan; Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan; NCRI, NHRI, Tainan, Taiwan; Chang Gung Memorial Hosp., Kaohsiung, Taiwan Add 6 Molecular Analysis of Extra-Axial Hemangioblastoma. A Study of 6 Cases. (66) LA Muscarella, J Lamovec, P Parrella, N Zidar, L D'Agruma, M Bisceglia, V Guarnieri, M Coco, JC Fanburg-Smith, L Zelante, M Michal - Hospital, San Giovanni Rotondo, Foggia, Italy; Institute of Oncology, Ljubljana, Slovenia; Medical Faculty, University of Ljubliana, Slovenia; Nova Fairfax Hospital, Falls Church, VA; IRCCS "Casa Sollievo della Sofferenza" Hospital, San Giovanni Rotondo, Foggia, Italy; Charles University Medical Faculty, Plzen, Czech Republic Add 7 TFE3-Positive Perivascular Epithelioid Cell Tumor as a Distinct Entity: Morphological, Immunohistochemical, and Molecular Analyses. (76) M Tanaka, K Kato, K Gomi, M Yoshida, K Kurosawa, H Kigasawa, Y Ohama, G Taylor, Y Tanaka - Kanagawa Children's Medical Center, Yokohama, Japan; Ibaraki Children's Hospital, Mito, Japan; Hospital for Sick Children, Toronto, Canada Add 8 Malignant Fat-Forming Solitary Fibrous Tumor: Clinicopathologic Analysis of 14 Cases. (58) J-C Lee, CDM Fletcher - National Taiwan University Hospital, Taipei, Taiwan & Brigham and Women's Hospital, Harvard Medical School, Boston, MA Add 9 p63 Immunohistochemical Staining Is Limited in Soft Tissue Tumors. (49) VY Jo, CDM Fletcher - Brigham and Women's Hospital, Boston, MA Add 10 Occasional Staining for P63 in Malignant Epithelioid Vascular Tumors. (51) ME Kallen, FG Nunes, AL Gonzalez, JM Cates, ME Sanders - Vanderbilt Medical School, Nashville, TN Add 11 Loss of p16 Expression Differentiates Malignant Mesothelioma from Benign Mesothelial Proliferation. (22) H Aydin, D Chute, B Yang - Cleveland Clinic, OH Add 12 ROR2: A Potential Therapeutic Target in Soft Tissue Tumors. (37) B Edris, I Espinosa, AH Beck, C-H Lee, AJ Lazar, D Lev, JA Fletcher, RB West, R Nusse, M van de Rijn - Stanford University School of Medicine, CA; Universitat Autonoma de Barcelona, Spain; Vancouver General Hospital, BC, Canada; MD Anderson Cancer Center, Houston, TX; Harvard Medical School, Boston, MA Add 13 CSF1-Response Signature Is Associated with Tumor Angiogenesis in Non-Gynecological Leiomyosarcoma. (40) I Espinosa, A Beck, B Edris, C-H Lee, R West, M van de Rijn - Stanford University School of Medicine, CA; Universidad Autonoma de Barcelona, Spain; University of British Columbia, Vancouver, Canada Add 14 Molecular Alteration Implicated in Malignant Transformation of Peripheral Nerve Sheath Tumors (PNST): A Window to New Therapeutic Approaches. (71) C Romagosa, C Serrano, S Simonetti, J Hernandez-Losa, S Baguer, R Orellana, T Moline, R Somoza, S Ramon y Cajal - Hospital Vall d'Hebron, Barcelona, Spain; Hospital de Sant Pau, Barcelona, Spain; Hospital Parc Tauli, Sabadell, Spain Add 15 Oncofetal Protein IMP3: A Specific Biomarker That Distinguishes Leiomyoma from Leiomyosarcoma. (30) K Cornejo, M Shi, Z Jiang - UMass Memorial Medical Center and University of Massachusetts Medical School, Worcester Add 16 Frequency of MDM2 Amplification in Malignant Peripheral Nerve Sheath Tumors: Non-Correlation with Tumor Grade, Cellularity and MIB1 Proliferation Index. (79) ML Wallander, LJ Layfield - ARUP Institute for Clinical and Experimental Pathology, Salt Lake City, UT; University of Utah School of Medicine and ARUP Laboratories, Salt Lake City Add 17 Fusion of Dynactin 1 (DCTN1) to ALK in Inflammatory Myofibroblastic Tumor. (81) X Wang, C Krishnan, E Nguyen, KJ Mayer, JL Oliveira, JE Yi, P Yang, MJ Yaszemski, A Maran, MR Erickson-Johnson, AM Oliveira - Mayo Clinic, Rochester, MN; Dells Children's Medical Center of Central Texas, Austin; Mayo Medical School, Rochester, MN; Mayo Clinic, Rocheser, MN Add 18 Cytogenetic Evaluation of Osteolipoma: A Study of 3 Unique Cases. (43) KJ Fritchie, KW Rao, JB Renner, RJ Esther - Cleveland Clinic, OH; University of North Carolina Hospitals, Chapel Hill Add 19 Detection of MDM2/CDK4 Amplification in Lipomatous Soft Tissue Tumors from Formalin-Fixed, Paraffin-Embedded Tissue: Comparison of Multiplex Ligation-Dependent Probe Amplification (MLPA) and Fluorescence In Situ Hybridization (FISH). (31) D Creytens, S Ah Schoondermark-Stolk, E-J Speel, J van Gorp, P Pauwels - University Hospital Antwerp, Antwerp, Belgium; Diakonessen Hospital Utrecht, Utrecht, Netherlands; University Hospital Maastricht, Netherlands Add 20 Detection of MDM2 and CDK4 by Fluorescence In Situ Hyridization, Immunohistochemistry and Real-Time PCR in Liposarcoma: Prognostic Significance Based on the Molecular Diagnosis. (28) JH Cho, J Lee, SW Seo, JO Park, SJ Kim, G Ahn, Y-L Choi - Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea Add 21 MDM2-p53 Pathway Status in Clinical Samples of Well-Differentiated and Dedifferentiated Liposarcoma. (56) A Kumagai, T Motoi, A Yoshida, T Imamura, T Fukusato - Teikyo University School of Medicine, Tokyo, Japan; University of Tokyo, Japan; Teikyo University Hospital, Tokyo, Japan Add 22 Primary Retroperitoneal Liposarcomas: Mitoses in Non-Adipogenic Zones Correlate with Survival. (29) S Chopra, Y Li, D Gui, FC Eilber, SM Dry - UCLA, Los Angeles, CA; Tata Medical Center, Kolkata, India Add 23 microRNA Profiling in Adipocytic Neoplasms. (19) WA Ahrens, NM Steuerwald, JC Patt, JS Kneisl, HL Bonkovsky - Carolinas Medical Center, Charlotte, NC Add 24 SMAD Signaling in Liposarcomas. (69) JE Pogoriler, AG Montag - University of Chicago Medical Center, IL Add 25 Histologic Spectrum of Myxoid Liposarcoma: Potential Diagnostic Pitfalls on Core Needle Biopsy. (44) KJ Fritchie, JR Goldblum, RR Tubbs, Y Sun, SD Billings, BP Rubin - Cleveland Clinic, OH Add 26 Activation of the PI-3-Kinase Pathway and Prognostic Factors in Myxoid Liposarcoma. (34) EG Demicco, KE Torres, M Ghadimi, C Columbo, T Peng, D Lev, W-L Wang, AJ Lazar - The University of Texas M.D. Anderson Cancer Center, Houston Add