PROFFERED PAPERS
Monday, February 28   —  1:00 PM   —  Convention Center Room 006 C,D


Click on the numbers in parentheses to display abstracts.



Section C - BONE & SOFT TISSUE
Chaired by: Cristina R. Antonescu and Pancras C. W. Hogendoorn



1:00 Spindle Cell Liposarcoma/Atypical Lipomatous Tumor: A Clinicopathologic Study of 120 Cases (70)
AF Nascimento, CDM Fletcher - Brigham & Women's Hospital, Harvard Medical School, Boston, MA
1:15 True Leiomyosarcoma of Gastrointestinal Tract. A Clinicopathologic and Molecular Genetic Study of 43 Cases (62)
J Lasota, LH Sobin, M Miettinen - Armed Forces Institute of Pathology, Washington, DC; Armed Forces Institute of Pathology, Washington, DC
1:30 Acquired Resistance to Imatinib in Gastrointestinal Stromal Tumor (GIST) Occurs through Secondary Gene Mutation (33)
CR Antonescu, T Guo, K Arkun, RP DeMatteo, P Besmer - Memorial Sloan-Kettering Cancer Center, New York, NY; Sloan-Kettering Institute, New York, NY
1:45 Expression Profiling of Tyrosine Kinase Genes in Synovial Sarcoma Reveals a Highly Distinct Kinase Repertoire and Prominent Overexpression of PDGFRA (34)
V Barbashina, T Saito, N Shukla, S Chuai, AB Olshen, CR Antonescu, M Ladanyi - Memorial Sloan-Kettering Cancer Center; Memorial Sloan-Kettering Cancer Center, New York, NY
2:00 Novel USP6 Fusion Oncogenes with TRAP150, ZNF9, Osteomodulin, and COL1A1 in Aneurysmal Bone Cyst Variant Translocations (73)
AM Oliveira, AR Perez-Atayde, P Dal Cin, MC Gebhardt, AE Rosenberg, JA Bridge, JA Fletcher - Mayo Clinic, Rochester, MN; Children's Hospital and Brigham and Women's Hospital, Boston, MA; Massachusetts General Hospital, Boston, MA; University of Nebraska Medical Center, Omaha, NE
2:15 Nuclear-Catenin Expression Distinguishes Deep Fibromatosis from Other Benign and Malignant Fibroblastic and Myofibroblastic Lesions (37)
B Bhattacharya, HP Dilworth, CA Iacobuzio-Donahue, F Ricci, K Weber, MA Furlong, C Fisher, E Montgomery - Johns Hopkins Hospital, Baltimore, MD; Johns Hopkins Hospital, Baltimore, MD; Georgetown University, Washington, DC; Royal Marsden Hospital, London, United Kingdom
2:30 Desmoplastic Fibroma of Bone: An Immunohistochemical Study on 13 Cases Including ß-Catenin Expression and Mutational Analysis for ß-Catenin (55)
EI Hauben, G Jundt, A Cleton-Jansen, A Yavas, HM Kroon, E Van Marck, PC Hogendoorn - Leiden University Medical Center, Leiden, Netherlands; Stichting PAMM, Eindhoven, Netherlands; University Hospital Antwerp, Antwerp, Belgium; Bone Tumor Reference Center, Basel, Switzerland; Leiden University Medical Center, Leiden, Netherlands
2:45 Perivascular Epithelioid Cell Neoplasms (PEComas) of Soft Tissue and Gynecologic Origin: A Clinicopathologic Study of 24 Cases (48)
AL Folpe, T Mentzel, HA Lehr, BL Balzer, SW Weiss - Emory University, Atlanta, GA; Dermatopathologische Gemeinschaftspraxis, Freidrichshafen, Germany; University of Mainz, Mainz, Germany
3:00 RECESS, EXHIBITS, POSTER SESSION II
4:30 NATHAN KAUFMAN TIMELY TOPICS LECTURE
Dr. Phillip A. Sharp
The Biological and Potentially Therapeutic Activities of Short RNAs
Convention Center, Ballroom B