POSTER SESSION IV Tuesday, March 25, 2003   —  1:00 - 4:30 PM Exhibit Hall A - C HEMATOPATHOLOGY 148 Flow Cytometry Immunophenotyping of Extranodal Non-Hodgkin's Lymphoma (1046) FE Craig, K Amin, A Ehsan, KA Katzke, S Jujjavarapu, SH Swerdlow, JS Siebert University of Pittsburgh Medical Center, Pittsburgh, PA; University of Texas Health Science Center, San Antonio, TX; OSF Saint Francis Medical Center, Peoria, IL 149 Gamma Delta T-Cell Phenotype Is Associated with Significantly Decreased Survival in Cutaneous T-Cell Lymphomas (1167) JR Toro, DJ Liewehr, N Pabby, L Sorbara, M Raffeld, S Steinberg, ES Jaffe National Cancer Institute, Bethesda, MD 150 Cyclin D3 (CyD3) Immunoreactivity (IR) Is an Independent Predictor of Survival and Drives the Correct Assessment of p27 IR Prognostic Role in Primary Gastric Lymphomas (PGL) (1132) M Ponzoni, G Pruneri, AJM Ferreri, A Rognone, M Freschi, B Pozzi, G Pinotti, A Pigni, S Cortelazzo, T Motta, L Devizzi, S Andreola, S Dell'Oro, A Neri, C Capella, G Viale San Raffaele H Scientific Institute, Milan, Italy; European Institute of Oncology, Milan, Italy; Ospedale di Circolo, Varese, Italy; Ospedali Riuniti, Bergamo, Italy; National Cancer Institute, Milan, Italy; Ospedale Maggiore Policlinico, Milan, Italy 151 Promoter Hypermethylation and Protein Expression of the p16 Gene: Analysis of 43 B-Cell Primary Gastric Lymphoma Cases from China (1083) Q Huang, L-B Ai, ZY Zhang, C-Y Fan, L Weiss City of Hope National Medical Center, Duarte, CA; University of Arkansas for Medical Sciences, Little Rock, AR 152 Immunoreactivity for Cyclin D3 Is Frequently Detectable in High-Grade Primary Gastric Lymphoma in the Absence of the t(6;14)(p21.1;q32.3) Translocation (1133) G Pruneri, S Fabris, R Fasani, B Del Curto, C Capella, B Pozzi, T Motta, S Andreola, AJM Ferreri, M Ponzoni, G Viale, A Neri European Institute of Oncology, University of Milan School of Medicine, Milan, Italy; Ospedale Maggiore Policlinico, I.R.C.C.S., Milan, Italy; Ospedale di Circolo, University of Varese School of Medicine, Varese, Italy; Ospedali Riuniti, Bergamo, Italy; Istituto Nazionale per la Cura e lo Studio dei Tumori, Milan, Italy; S. Raffaele H Scientific Institute, Milan, Italy 153 Highly Variable Genomic Breakpoint of t(11;18)(q21;q21): A Role of Oxidative Damage in Its Occurrence? (1055) M-Q Du, H Liu, RA Hamoudi, H Ye, A Ruskone-Fourmestraux, PG Isaacson, A Dogan University College London, London, United Kingdom 154 Ocular Lymphoma: A Clinical, Histological, Immunophenotypic and Molecular Analysis of 40 Patients (1023) BP Adley, R Cubbon, Z Oltvai, P Bryar, D Variakojis Northwestern University, Chicago, IL 155 Comparison of Immunohistochemical Staining of Splenic Marginal Zone Hyperplasia and Splenic Marginal Zone Lymphoma (1060) EP Fillman, MP Burton, A Ehsan, TS Neuhauser Wilford Hall Medical Center, Lackland Air Force Base/San Antonio, TX; Brooke Army Medical Center, Fort Sam Houston/San Antonio, TX; The University of Texas Health Science Center, San Antonio, TX 156 IgVH Gene Mutation and Chromosome 7q Deletion in Splenic Marginal Zone B-Cell Lymphoma (1064) K Fu, E Scdoris, WC Chan, DL Pickering, TC Greiner, P Aoun, WG Sanger, DD Weisenburger University of Nebraska Medical Center, Omaha, NE 157 Intravascular Lymphoma: A Clinicopathologic, Immunophenotypic and Molecular Genetic Study (1134) X Qian,FC Kuo, U De Girolami, GS Pinkus Brigham and Women's Hospital and Harvard Medical School, Boston, MA 158 11 Cases of Extranodal NK/T-Cell Lymphoma, Nasal Type (E-NK/TL) from a Single U.S. Medical Center with Emphasis on Flow Cytometry (FC) Analysis (117) SA Monaghan,SH Kroft, RT Miller, RW McKenna UT Southwestern Medical Center, Dallas, TX; ProPath Laboratory, Dallas, TX 159 Cytokeratin 5/6, Calretinin, EGFR, CD5, and CD117 Expression in Thymomas: An Immunohistochemical Study of 25 Cases (1041) LR Chirieac, CA Moran, S Suster UT M. D. Anderson Cancer Center, Houston, TX; The Ohio State University, Columbus, OH 160 Immunophenotypic Differences in T-Cell Maturation Spectrum of Thymoma vs. Other Thymic Diseases vs. T-Cell Lymphoblastic Leukemia (1118) SA Monaghan, NJ Karandikar The University of Texas Southwestern Medical Center, Dallas, TX 161 Primary Mediastinal B-Cell Lymphoma (PMBL): An Immunohistochemical (IHC) and Clinical Study (1153) M Skacel, E Tso, B Pohlman, ED Hsi Cleveland Clinic Foundation, Cleveland, OH 162 Gene Rearrangements and CGH Analysis of T-Cell Classic Hodgkin Lymphoma (1024) N SI Aguilera, J Chen, KE Bijwaard, AE Director-Myska, C Millword, D Cruser, JW Andriko, J Lichy, SL Abbondanzo Armed Forces Institute of Pathology, Washington, DC; National Naval Medical Center, Bethesda, MD 163 MGMT Promoter Methylation in Classical Hodgkin Lymphoma (1091) MV Kesler, S Willingham, JF Pulliam University of Kentucky, Lexington, KY 164 REL Protein Expression in Classical Hodgkin's Lymphoma (1183) Q Xiao, N Shen, C Hedvat, CH Moskowitz, AD Zelenetz, J Houldsworth, RSK Chaganti, J Teruya-Feldstein Memorial Sloan-Kettering Cancer Center, New York, NY 165 Grade II Nodular Sclerosing Hodgkin Lymphoma Commonly Mimics Non-Hodgkin Lymphomas with Anaplastic Morphology: A Pathologic Review of 42 Cases Reclassified by Current WHO Criteria (1162) LHC Tan, SM Chong National University of Singapore, Singapore, Singapore, Singapore 166 Follicular Lymphomas with Reed- Sternberg and Lacunar like Cells Are Large Cell Transformations Rather Than Composite Lymphomas as Confirmed by PCR and DNA Sequencing (1129) M Palutke, G Bentley, M Bayerl, C Bellan, L Leoncini Wayne State University School of Medicine, Detroit, MI; Penn State Hershey, Hershey, PA; University of Siena, Siena, Italy