POSTER SESSION IV Tuesday, March 9, 2004   —  1:00 - 4:30 PM Exhibit Hall B and C GASTROINTESTINAL PATHOLOGY 38 Recurrence of High Grade Dysplasia in Advanced Colorectal Adenomas: A 7-Year Follow-Up Study (486) KV Inamdar, NS Gupta, CK Ma, AH Ormsby - Henry Ford Hospital, Detroit, MI 39 Impact and Clinical Significance of Reporting High-Grade Dysplasia in Colonic Adenomas (509) I Mansoor, PF Mazzara - St. John Hospital and Medical Center, Detroit, MI 40 Hyperplastic Polyposis: A Morphological Heterogeneous Entity (474) RR Fonseca, P Chaves, P Lage, C Albuquerque, CN Leitno, J Soares, M Mäkinen - Instituto PortuguLs Oncologia Francisco Gentil CROL SA, Lisboa, Portugal; University of Oulu, Oulu, Finland 41 Apoptosis Is Not Reduced, but May Be Delayed in Onset, in Colorectal Hyperplastic Polyps (464) F Clayton - Salt Lake VA, Salt Lake City, UT; University of Utah, Salt Lake City, UT 42 Multinucleated Epithelial Giant Cells in Hyperplastic Polyps: A Clinicopathologic Study of 22 Cases (493) N Kambham, M Masek, TA Longacre - Stanford University, Stanford, CA 43 Is Cytomegalovirus Associated with Human Colorectal Tumorigenesis? (452) O Akintola-Ogunremi, P Amargo, HL Wang - Washington University School of Medicine, St. Louis, MO 44 High Incidence of Colon Cancer in Cables Knockout Mice (468) M D'Apuzzo, SD Kirley, DC Chung, GY Lauwers, LR Zukerberg - Massachusetts General Hospital, Boston, Ma 45 Epidermal Growth Factor Receptor Related Protein (ERRP); A Novel Endogenous Inhibitor of the EGFR Is Downregulated in Colonic Adenocarcinoma, and Is an Effective Anti-Tumor Agent In Vitro and In Vivo (500) E Levi, R Jaszewski, P Sochacki, R Mohammad, O Kucuk, AP Majumdar - John D. Dingell VA Medical Center; Karmanos Cancer Institute; Wayne State University Medical School, Detroit, MI 46 Claudin 4 Protein Overexpression in Colorectal Adenocarcinomas: Potential Role as a Therapeutic and Imaging Target Molecule (471) HP Dilworth, B Bhattacharya, E Embuscado, R Wilentz, RH Hruban, CA Iacobuzio-Donahue - The Johns Hopkins Hosptital, Baltimore, MD 47 Molecular Biomarkers of Metastasis in Resected Colon Cancer. Analysis of Tumor Supressor Pathways and Cell Cycle Checkpoints (533) J Sanz-Ortega, S Hernandez, MC Saez, L Sanchez, R Cantero, J Sanz-Esponera - Hospital Clinico San Carlos, Madrid, Madrid, Spain; Spanish National Cancer Centre (CNIO), Madrid, Madrid, Spain 48 Thymidylate Synthase Analysis in Colorectal Carcinomas: Preliminary Results (467) M Cuatrecasas, E Dotor, L Pareja, M Navarro, V Moreno, S Ramon y Cajal, JR Germa, G Capella, A Villanueva - Vall d'Hebron Hospital, Catalan Institute of Oncology, ICO, Barcelona, Spain 49 Expression of Alpha-Methylacyl-CoA Racemase (P504S) in Gastrointestinal Adenocarcinomas (526) O Padilla, A Srivastava, JS Ditelberg - Tufts-New England Medical Center, Boston, MA 50 Downregulation of Pim-1 Protein Kinase During Colorectal Cancer Progression (505) L Lourduraj, S Di Caro, A Gasbarrini, R Swaminathan, AR Sepulveda - University of Pittsburgh, Pittsburgh, PA; Catholic University of Rome, Rome, Italy 51 Expression of Osteopontin in Human Colorectal Tumorigenesis (466) KG Crone, P Amargo, S-Y Xiao, HL Wang - Washington University School of Medicine, St. Louis, MO; University of Texas Medical Branch, Galveston, TX 52 Estrogen Receptor Beta (ER-B) Isoforms Are Differentially Expressed in Colorectal Carcinomas (CRC) and Normal Colonic Epithelium (NCE) (504) L Liu, M Rahmani, M Younes - Baylor College of Medicine and the Methodist Hospital, Houston, TX 53 Decreased Expression of ZO-1 in Colonic Adenocarcinomas (460) BC Calhoun, A Pearson, P Wirth, MK Washington - Vanderbilt University Medical Center, Nashville, TN 54 ADAMTS12 Expressionin Colorectal Cancer and Adenomas by Real-Time PCR Assay: Relationship with Tumoral Progression and Prognosis (485) C Iglesias, R Miquel, PL Fernandez, M Pinyol, A Castells, I Nayach, F Mondelo, JM Bordas, C Lopez-Otin, E Campo - Hospital Clinic de Barcelona, Barcelona, Barcelona, Spain; Universidad de Oviedo, Oviedo, Oviedo, Spain 55 Immunohistochemical (IHC) Expression of the Decoy Receptor for FAS Ligand (DcR3/TR6) Correlates with Grade and Stage in Colorectal Adenocarcinomas (CRCs) (492) BVS Kallakury, L Zhang, P Kaur, G Owor, CE Sheehan, S Kim, S Yang, JS Ross, TA Jennings - Georgetown University Hospital, Washington, DC; Lombardi Cancer Center, Washington, DC; Albany Medical College, Albany, NY 56 Prognostic Significance of Laminin-5g2 Chain and b-Catenin Expressions in the Invasive Front of pT3 Colorectal Carcinomas Disclosed by Immunohistochemical Survey of Site-Specific Four-Point Tissue-Microarray (538) E Shinto, H Tsuda, H Mochizuki, J Inazawa, O Matsubara - National Defense Medical College, Tokorozawa, Saitama, Japan; Tokyo Medical and Dental University, Tokyo, Japan 57 The Role of Cancer-Associated Stromal Fibroblasts in Metastatic Colon Cancer to the Liver and Their Expression Profiles (476) WL Frankel, S Liyanarachchi, RV Davuluri, H Auer, EW Martin, A de la Chapelle, H Nakagawa - The Ohio State University, Columbus, OH 58 Polymorphism in Methylenetetrahydrofolate Reductase 677, 1298 and Methionine Synthase and Risk of Colorectal Cancer in Korea (499) S Lee, JY Ro, JC Kim, GH Kang - National Cancer Center, Goyang, Gyeonggi; University of Ulsan College of Medicine, Seoul; Seoul National University College of Medicine and Cancer Research Institute, Seoul, Republic of Korea