POSTER SESSION VI Wednesday, March 10, 2004   —  1:00 - 4:00 p.m. Exhibit Hall B and C HEMATOPATHOLOGY 150 Simian Virus 40 and Lymphoproliferative Disorders in Costa Rica (1094) A Meneses, D Lopez-Terrada, P Zanwar, DE Killen, V Monterroso, JS Butel, RA Vilchez - Hospital San Juan de Dios, San Jose, San Jose, Costa Rica; Baylor College of Medicine, Houston, TX; Hospital Mexico, San Jose, San Jose, Costa Rica 151 B-Cell Malignancies Lacking Common Pan-B Cell Antigens Consistently Express PAX-5 (1034) HY Dong, Z Liu, P Browne, M Gangi - Impath, Inc., New York, NY; Impath, Inc., Los Angelos, CA 152 The Putative Oncogene JDP2 is Overexpressed in High Grade B- and T-Cell Hematologic Malignancies and Hodgkin's Lymphoma (1064) HC Hwang, TS Barry, A Aronheim, BE Clurman, AM Gown - PhenoPath Laboratories, Seattle, WA; Fred Hutchinson Cancer Research Center, Seattle, WA; Technion Institute of Technology, Haifa, Israel 153 Expression of ZAP-70 in B-Cell Non-Hodgkin and Hodgkin Lymphomas; A Survey of 119 Cases (996) JH Admirand, LV Abruzzo, JR Valbuena, GZ Rassidakis, D Jones, LJ Medeiros - University of Texas M.D. Anderson Cancer Center, Houston, TX 154 Expression Patterns of the FOXP1 Winged Helix Transcription Factor in Reactive Lymphoid Tissue and Malignant Lymphomas (1100) V Morente, L Colomo, A Palacin, AH Banham, E Campo - Hospital Clinic, University of Barcelona, Barcelona, Spain; John Radcliffe Hospital, Oxford, United Kingdom 155 The Sodium Pump in Malignant Lymphoma: Expression of Sodium Potassium-ATPase a1- and b1- Subunits (1125) JW Said, S De Vos, D Gui, A Rajesakaran - David Geffen School of Medicine UCLA, Los Angeles, CA 156 Expression of Multidrug Resistance Proteins Is Associated with Poor Outcome of Chemotherapy in Untreated Patients with Nodal Non-Hodgkin's Lymphoma (1108) M Ohsawa, H Fujino, E Hai, Y Ikura, M Ueda - Osaka City University Graduate School of Medicine, Osaka, Osaka, Japan 157 Immunohistochemical Detection of Bcl-3 in Non-Hodgkin and Hodgkin Lymphomas: A Survey of 240 Cases (1018) O Canoz, GZ Rassidakis, LJ Medeiros - University of Texas M.D. Anderson Cancer Center, Houston, TX 158 ZAP-70 Expression in B-Cell Hematologic Malignancy Is Not Limited to Cll/Sll (1144) SJ Sup, R Steinle, X Zhao, T Kelley, ED Hsi - Cleveland Clinic Foundation, Cleveland, OH 159 A Novel Cell Cycle and Apoptosis Regulatory Protein (CARP)-1 Is Expressed in Lymphomas and Is Associated with Apoptosis (1080) E Levi, MO Kurrer, J Hatfield, A Rishi - John Dingell VA Medical Center, Detroit, MI; University Hospital, Zurich, Switzerland; Wayne State University Medical School, Detroit, MI 160 Akt Activation Predicts a Low Apoptotic Rate in Aggressive Lymphomas: Akt Inhibition Causes Apoptosis in Lymphoma Cell Lines (1079) E Levi, S Alkan, MO Kurrer, G Bentley, M Palutke, J Frank, R VanderHeide - John Dingell VA Medical Center, Detroit, MI; Loyola University Medical School, Maywood, IL; University Hospital, Zurich, Switzerland; Harper University Hospital, Detroit, MI; Wayne State University Medical School, Detroit, MI 161 Mantle Cell Lymphoma Cells Express VEGF and VEGF Receptors (995) S Aboudola, PN Okoro, F Paner, AR Kini - Loyola University Medical Center, Maywood, IL 162 Immunohistochemical Detection of Cyclin D1 Overexpression in Mantle Cell Lymphoma: A Comparison of 2 Commercially Available Monoclonal Antibodies (1014) M Blechner, E Ballesteros, D Mandich, D Stevens, R Cartun - Hartford Hospital, Hartford, CT 163 ZAP70 Expression in Mantle Cell Lymphomas (1008) A Bano, H Amin, D Olatonade, L Dabbagh, R Lai - Cross Cancer Institute / University of Alberta, Edmonton, AB, Canada; University of Texas M.D. Anderson Cancer Center, Houston, TX 164 MUM1/IRF4 Expression in the Background T-Cells in Diffuse and Nodular Variants of Mantle Cell Lymphoma (1137) B Siddiqi, P van Tuinen, VB Shidham, RN Rao, L Novoa-Takara, CR Chitambar, P Hari, B Kampalath - Medical College of Wisconsin, Milwaukee, WI 165 IRTA3 Protein Is Expressed in a Distinct B Cell Subset (1097) IJ Miller, S Zhang, R Dalla-Favera - Columbia University Institute for Cancer Genetics, New York, NY 166 Cutaneous Presentation of PTLPD May Portend Aggressive Disease (1096) IJ Miller, S Husain, B Alobeid, G Bhagat - New York-Presbyterian Medical Center, Columbia Unibversity, New York, NY 167 Microsatellite Instability in Posttransplant Lymphoproliferative Disease (PTLD) (1104) MA Nalesnik, P Swalsky, D Lomago, S Finkelstein - University of Pittsburgh Medical Center, Pittsburgh, PA 168 The WHO Classification of Post-Transplant Lymphoproliferative Disorders (PTLD). Its Clinical Impact (1102) WA Mourad, AE Sayed, MA Raja, Y Khafaga, A Tulbah, M Shoukri, HE Gamal, MA Shabanah, KE Meshari, KA Shaibani, A Ezzat - King Faisal Specialist Hospital, Riyadh, Saudi Arabia 169 Multicentric Castleman Disease in HIV Infection (1000) R Alsabeh, C Changsri, A Hii - Cedars-Sinai Medical Center, LA, CA 170 HHV-8 Immunohistochemical Reactivity in HIV-Lymphadenopathy with and without Castleman Disease-Like Features (1059) A Heerema, E Schwartz, R Warnke - Stanford University, Stanford, CA 171 Severe and Fatal Non-Transplant Related Epstein-Barr Virus (EBV) Associated Atypical Lymphoid Proliferations in Infants and Children: A Clinical Pathologic Study (1042) PE Ferguson, KK Oza, DM Parham, K Sayed, DA Ellison - University of Arkansas for Medical Sciences, Little Rock, AR; Arkansas Children's Hospital, Little Rock, AR