POSTER SESSION IV Tuesday, March 1, 2005   —  1:00 - 4:30 PM Convention Center Exhibit Hall B HEMATOPATHOLOGY 153 Clinical and Pathologic Analysis of 16 Relapsed Cases of Chronic Myelogenous Leukemia after Transplantation (1191) Y Wu, KK Gaal, KL Chang, Q Huang - City of Hope National Medical Center, Duarte, CA 154 Marrow Morphology of Chronic Myelogenous Leukemia in Patients Treated with Imatinib Mesylate (Gleevac, Sti-571): Correlation with Cytogenetic Response (1148) F Racke, RW Allan, C Miller, EG Weir - The Johns Hopkins Hospital, Baltimore, MD; St. Agnes Hospital, Baltimore, MD 155 Flow Cytometric Analysis of pStat5 in Chronic Myelogenous Leukemia (1072) C Goolsby, R Guo, M Paniagua, T Stefan, R Tracey, M Tallman, V Shaankey, J Jacobberger - Northwestern School of Medicine, Chicago, IL; Case Western Cancer Center, Cleveland, OH; Bckman-Coulter, Miami, FL 156 Flow Cytometric Analysis of Monocytosis in the Diagnosis of Chronic Myelomonocytic Leukemia (CMML) (1193) Y Xu, RW McKenna, NJ Karandikar, AJ Pildain, SH Kroft - University of Texas Southwestern Medical Center, Dallas, TX 157 Evaluation of Loss of Heterozygosity in Splenic Extramedullary Hematopoiesis Associated with Leukemic Myeloid Disorders (1131) DP O'Malley, A Orazi, M Wang, L Cheng - Indiana University, Indianapolis, IN 158 Tryptase + Round Cell Infiltrates in the Bone Marrow: Mastocytosis or Basophilic Leukemia? (1083) H-P Horny, K Sotlar, H Agis, DM Menke, LB Schwartz, P Valent - University of Lubeck, Lubeck, Germany; University of Tubingen, Tubingen, Germany; University of Vienna, Vienna, Austria; Mayo Clinic, Jacksonville, FL; Virginia Commonwealth University, Richmond, VA 159 Diagnostic Utility of Mast Cell Tryptase Immunostaining in Bone Marrow Core Biopsies in Myelodysplastic Syndromes (MDS) and Chronic Myelomonocytic Leukemia (CMML) (1201) G Zeng, C An, H Nishino, Y Zu, A Saleem, A Ewton, C Chang - Baylor College of Medicine, Houston, TX; Indiana University School of Medicine, Indianaoplis, IN; The Methodist Hospital, Houston, TX 160 Analysis of Immunohistochemical Markers in Bone Marrows To Evaluate for Myelodysplastic Syndromes and Acute Myeloid Leukemias (1061) CH Dunphy, DP O'Malley - University of North Carolina, Chapel Hill, NC; Indiana University, Indianapolis, IN 161 B Lymphocytic Proliferation and Myelodysplastic Syndrome (1045) L Chen, G Bentley, H Zhang, W Liu, M Palutke - Wayne State University School of Medicine, Detroit, MI 162 Refractory Anemia with Ringed Sideroblasts Associated with Marked Thrombocytosis (1114) Z Liu, HY Dong, W Gorczyca, J Weisberger - Bio-Reference Laboratory, Elmwood Park, NJ; Genezyme/Genetics/IMPATH, New York, NY 163 Quantitative Analysis of Flow Cytometry Immunophenotyping Data in the Diagnosis of Myelodysplastic Syndromes (MDS) (1129) HT Nishino, Y Zu, L Rice, K Baker, J McCarthy, G Zeng, U Popat, G Carrum, C Chang - The Methodist Hospital, Baylor College of Medicine, Houston, TX 164 Bone Marrow Expression of p53, Caspase-3, and WT-1 Proteins in Inherited and Acquired Cytopenias: A Study of 106 Patients (1063) MT Elghetany, B Bryant, BP Alter - University of Texas Medical Branch, Galveston, TX; National Cancer Institute, Rockville, MD 165 Acute Myeloid Leukemia with High Side Scatter and Lack of Blastic Markers: Flow Cytometric Parameters That Help To Differentiate from Benign Conditions and Acute Promyelocytic Leukemia (1074) W Gorczyca, J Weisberger, CD Wu, HY Dong, Z Liu - Genzyme Genetics, New York, NY; Bio-Reference Laboratory, Elmwood Park, NJ 166 Real-Time Quantitative Assessment of Fusion Gene Transcripts in Patients with Chronic Myelogenous Leukemia (CML) and Acute Myeloid Leukemia (AML) (1038) F Bao, CN Lowery, S Martin, DM Veillon, JD Cotelingam, ML Nordberg - Louisiana State University Health Sciences Center, Shreveport, LA 167 Unique Gene Expression Profiles and Novel Transcripts in Acute Myeloid Leukemia with Recurrent Translocations Identified by SAGE (Serial Analysis of Gene Expression (1134) O Ozer, S Lee, N Jayathilaka, R Shi, M Sun, X Ge, G Bouffard, SM Wang, JD Rowley - University of Chicago, Chicago, IL; Northwestern University, Evanston, IL; Bethesda, MD 168 Expression of PAX5/B-Cell Specific Activation Protein (BSAP) in Acute Myeloid Leukemia Associated with t(8;21)(q22;q22) (1179) JR Valbuena, L Chen, LJ Medeiros, GZ Rassidakis, P Lin - The University of Texas MD Anderson Cancer Center, Houston, TX; University of Texas Medical Branch, Galveston, TX 169 Promoter Hypermethylation (PH) of Multiple Genes in 46 Acute Myelogenous Leukemia Cases (1085) Q Huang, L Ai, X Su, KK Gaal, CY Fan, KL Chang - City of Hope National Medical Center, Duarte, CA; University of Arkansas for Medical Sciences, Little Rock, AR 170 Activation of CD19 in Acute Myeloid Leukemia and T-Cell Lymphoma/Leukemia Is Correlated with Expression of Its Upstream Transcriptional Activator PAX5 (1060) HY Dong - Genzyme Genetics/IMPATH, New York, NY 171 The Value of a Limited 4-Antibody Panel in the Detection of Hematolymphoid Neoplasia in Bone Marrow and Peripheral Blood by Flow Cytometry (1024) S Al-Quran, T Netzel, M Monreal, D Cardona, Y Li, R Braylan - University of Florida; Shands Hospital, Gainesville, FL 172 Pathologic Correlates in Bone Marrow Associated with Acute Graft-vs-Host Disease Following Hematopoietic Stem Cell Transplantation (1102) S Kim, R Lowsky, I Pereira, DA Arber, TI George - Stanford University, Stanford, CA 173 Bone Marrow Involvement in Post-Transplant Lymphoproliferative Disorders (1177) L Tsao, DG Savage, G Bhagat, B Alobeid - Columbia University, New York, NY 174 Creation of a Human Myeloperoxidase Promoter Construct Which Shows Myeloid Cell Specificity In Vitro and in Transgenic Mice (1032) GE Austin, C Yao - Atlanta VAMC, Decatur, GA; Emory U School of Medicine, Atlanta, GA 175 Pyrosequencing as an Alternative Method for Detection of ras Mutations in Clinical Tumor Samples (1069) J Galbincea, D Jones, V Pham, S Hamilton, LJ Medeiros, R Luthra - M.D. Anderson Cancer Center, Houston, TX 176 Pathology of Haemopoietic Neoplasms Arising in Blm Deficient Mice: Use of Tissue Microarrays for High Throughput Immunohistochemical Analysis (1185) MV Warren, WJ Howat, B Haynes, J McCafferty, TN Fredrickson, HC Morse III, A Bradley - Sanger Institute, Hinxton, Cambridge, United Kingdom; Addenbrookes Hospital, Cambridge, United Kingdom; NIAID/NIH, Bethesda, MD