POSTER SESSION V Wednesday, March 26, 2003   —  9:30 AM - 12:00 Noon EXHIBIT HALL A - C HEMATOPATHOLOGY 140 Immunohistochemical Detection of Surface Immunoglobulin Light Chain Expression in Reactive Processes, and in Lymphoproliferative Disorders Using Fixed, Paraffin-Embedded Tissues (1116) RN Miranda, A Ahmed, A Halder, T Wong, CM Rosales, LE De Las Casas, NM Quintanilla Truman Medical Center and University of Missouri - Kansas City, Kansas City, MO; University of Arkansas Health Sciences Center, Little Rock, AR 141 CD15 and CD30 Immunoreactivity Patterns in Sarcoidosis (1131) JM Polski University of South Alabama, Mobile, AL 142 Follicular Hyperplasia, Follicular Lysis and Progressive Transformation of Germinal Centers (PTGC): A Sequential Spectrum of Evolution (1128) V Osipov, C-C Chang, S Wheaton, SL Perkins Medical College of Wisconsin, Milwaukee, WI; Mercy Hospital, Coon Rapids, MN; University of Utah, Salt Lake City, UT 143 Immunoglobulin and T-Cell Receptor Genes Rearrangement in Castleman's Disease: Molecular Genetic Analysis (1025) JA Al-Maghrabi, S Kamel-Reid, D Bailey King Abdulaziz University Hospital, Jeddah, Saudi Arabia; Princess Margaret Hospital, University of Toronto and Toronto General Hospital, Toronto, ON, Canada 144 The Use of CD23 in Paraffin-Embedded Lymph Node Biopsies of Castleman's Disease (1101) ME Leon, JS Hou Drexel University / College of Medicine, Philadelphia, PA 145 Histology and Immunohistology of Lymphoid Follicles in Lymph Node Biopsies of Patients with Poems Syndrome (1115) DM Menke, A Dispenzieri, R Parwaresch Mayo Clinic, Jacksonville, FL; Mayo Clinic, Rochester, MN; University of Kiel, Kiel, Germany 146 Malignant Melanoma (MM) Mimicking Acute Leukemia in Bone Marrow Specimens: Avoiding Diagnostic Pitfalls (1109) WW Liu, R Patel, KS Theil, ED Hsi Cleveland Clinic Foundation, Cleveland, OH 147 The Utility of Automated Fish Panels in Cases of MDS with a Normal Karyotype by Conventional Cytogenetics (1033) KJ Bloom, R Stroup, R Satyadev, F Espinoza, MK Hibbard, R Gasparini, D Baunoch US Labs, Irvine, CA 148 Immunophenotype of 82 Cases of Acute Promyelocytic Leukemia (1073) S Hao, YO Huh, E Estey, S Pierce, LJ Medeiros, C Bueso-Ramos, A Glassman, P Lin M.D. Anderson Cancer Center, Houston, TX 149 Low Blast Count Myelodysplastic Syndrome with Auer Rods: A Clinicopathologic Analysis of 6 Cases (1180) MS Willis, RW McKenna, LAC Peterson, SH Kroft University of Texas Southwestern Medical Center, Dallas, TX; Northwestern University, Chicago, IL 150 An Upstream Enhancer Provides Tissue- and Maturation Stage Specificity to the Myeloperoxidase (MPO) Promoter, Making It Suitable for Targeted Gene Therapy of Leukemias and Myeloid Deficiency Diseases (1106) KM Lin, GE Austin Emory University School of Medicine, Atlanta, GA; Atlanta VA Medical Center, Decatur, GA 151 Chronic Basophilic Leukemia: A Rare but Distinct Myeloproliferative Disorder (1079) JD Hoyer, WG Morice, A Pardanani, A Tefferi Mayo Clinic, Rochester, MN 152 Quantitative t(9;22) PCR in CML Patients for bcr-abl Transcripts and Normalizer by a Multiplex Taqman PCR Coupled with Capillary Electrophoresis (1144) B Sanchez-Vega, DN Amaya, JL Medeiros, R Luthra UT M.D. Anderson Cancer Center, Houston, TX 153 Comprehensive Correlation of Conventional Cytogenetics (CC), FISH and Quantitative Real-Time Reverse Transcriptase PCR (qRT-PCR) Results for Detecting t(9;22) in Chronic Myeloid Leukemia (CML) Patients (1171) F Vega, P Cano, B Sanchez-Vega, E Lopez-Alvarez, K Hayes, A Glassman, H Kantarjian, LJ Medeiros, R Luthra The University of Texas M.D. Anderson Cancer Center, Houston, TX 154 Deletions of the Derivative Chromosome 9 in Chronic Myelogenous Leukemia (CML) Detected by Interphase Fish Are Present Only in Cases with Variant Philadelphia (Ph) Chromosomes (1026) P Aoun, H Rasheed, M Wiggins, D Pickering, S Pavletic, J Foran, W Sanger University of Nebraska Medical Center, Omaha, NE 155 Chronic Myelogenous Leukemia with Gleevec/STI571 Treatment Leads to a Rapid Hematological but Slower Cytogenetic Response (1175) L Wang, L Zukerberg, JA Ferry, Z Tang, PC Amrein, NL Harris Massachusetts General Hospital, Boston, MA 156 Detection of Dysgranulopoiesis in Chronic Myeloid Leukemia Predicts Disease Transformation (1186) Y Xu, MS Dolan, PL Nguyen University of Minnesota Medical School, Minneapolis, MN 157 The Stromal Composition of Myelofibrosis: Differences between Chronic Myeloproliferative Disorders and Metastatic Malignancies (1059) W Fang, C An, J Jiang, M Czader, D O'Malley, A Orazi Indiana University School of Medicine, Indianapolis, IN 158 Proof and Quantification of Bone Marrow Fibrosis - A Systematic Comparison of 6 Different Approaches and Its Significance with Respect to Prognosis of Chronic Myeloproliferative Disorders (1034) G Buesche, A Georgii, A Duensing, A Schmeil, H-H Kreipe Medizinische Hochschule Hannover, Hannover, Germany 159 Systemic Mast Cell Disease (SMCD): An Often Misdiagnosed Entity (1030) RW Bdeir, AY Platt, J Anastasi, J Vardiman University of Chicago, Chicago, IL 160 Diagnostic Value of Immunohistochemical Detection of CD25 in Neoplastic Mast Cells of Systemic Mastocytosis (1077) HP Horny, DM Menke, P Valent University of Lubeck, Lubeck, Germany; Mayo Clinic, Jacksonville, FL; University of Vienna, Vienna, Austria 161 Circulating Hematogones (HGs) in Adults: A 4-Color Flow Cytometry (FC) Study of 102 Patients (1099) SH Kroft, NJ Karandikar, RW McKenna, SL Asplund University of Texas Southwestern Medical Center, Dallas, TX 162 Pediatric TdT-Negative Precusor B-Lymphoblastic Leukemia: Association with 11q23/MLL Gene Rearrangement, Negative CD10, and High White Blood Cell Count (1108) L Liu, L McGavran, Q Wei, B Jamieson, N Dirks, X Liang University of Colorado Health Sciences Center; The Children's Hospital, Denver, CO 163 Blastic NK-Cell Lymphoma/Leukemia-Flow Cytometric Study of 10 Cases (1066) W Gorczyca, Z Liu, H Dong, S Tugulea, J Weisberger IMPATH Inc., New York City, NY