POSTER SESSION III Tuesday, March 1, 2005   —  9:30 AM - 12:00 Noon Convention Center, Exhibit Hall B GENITOURINARY PATHOLOGY 76 Do Increased Biopsy Sampling and Number of Positive Cores Improve the Accuracy of Final Gleason Score (GS) on Radical Prostatectomy (RP)? (651) Y Gao, P Faris, K Trpkov Calgary Laboratory Services and University of Calgary, Calgary, AB, Canada 77 Gleason Grading in Clinical Trials: The Need for Centralized Pathology Review (601) T-J Browne, L Mucci, T Kurth, M Stampfer, MA Rubin Brigham and Women's Hospital; Boston, MA 78 Gleason Score vs Gleason Predominant Grade 4/5 as Predictors of Progression Following Radical Prostatectomy (657) MS Guimaraes, A Billis, LA Magna, MM Quintal, T Ruano, U Ferreira - School of Medicine, State University of Campinas (UNICAMP), Campinas, SP, Brazil 79 Gleason Grading Multifocal Adenocarcinoma in Prostatectomy Specimens: Implications for Grading Needle Biopsies (584) MA Baig, LP Kunju, EW Schervish, RB Shah, KJ Wojno - Wayne State University, Detroit, MI; University of Michigan, Ann Arbor, MI; Michigan Instutute of Urology, St. Clair Shores, MI; Ameripath Institute of Urological Pathology, Warren, MI 80 Prostate Cancer Lymph Node Metastases: Gleason Grading Rules (674) W Huang, MD Hofer, TA Bismar, R Kuefer, S Perner, JE Gschwend, RE Hautmann, MA Rubin - Brigham and Women's Hosptial, Boston, MA; Boston, MA; University Hospital Ulm, Ulm, Germany; University Hospital Ulm, Ulm, Germany 81 Optical Illusion in the Histological Diagnosis of Prostate Carcinoma: Assignment of Who Scores Is Governed by Growth Pattern and Not by Nuclear Morphology (732) M Pfnuer, T Fandel, M Averbeck, C Corinth, M Ansorge, SC Schaefer, N Simiantonaki, JW Thueroff, CJ Kirkpatrick, HA Lehr - University of Mainz, Mainz, Germany; University of Bremen, Bremen, Germany 82 Differences in Clinical Outcome between Primary Gleason Grades 3 and 4: An Analysis of 228 Patients with a Pathological Gleason Score 7 (665) EM Hattab, MO Koch, JN Eble, G Zeng, J Daggy, L Cheng - Indiana University School of Medicine, Indianapolis, IN 83 The Combination of the Gleason Index and Millimeters of Cancer in Core Biopsy Increases the Predictable Value of Extraprostatic Extension. A Study of 220 Consecutive Cases (711) JI López, L Andrés, L Etxegarai, MC Etxezarraga, C EreZo, J Bilbao, FJ Bilbao - Hospital de Basurto, Basque Country University (UPV/EHU), Bilbao, Bizkaia, Spain; Faculty of Medicine, Basque Country University (UPV/EHU), Leioa, Bizkaia, Spain 84 Predicting Pathologic Stage for Prostate Cancer: Different Gleason Grade in the Same Lobe as a Novel New Prognostic Marker (778) T Tsuzuki, BJ Trock, H Aydin, DJ Hernandez, PC Walsh, JI Epstein - Nagoya Daini Red Cross Hospital, Nagoya, Japan; The Johns Hopkins Hospital, Baltimore, MD; Baskent University Hospital, Ankara, Turkey 85 Pathological Features of Incidental Prostatic Adenocarcinoma in Radical Cystoprostatectomy Specimens Removed for Bladder Cancer (799) N Yanagisawa, J Ishii, M Ohori, SP Lerner, TM Wheeler - Baylor College of Medicine, Houston, TX; Tokyo Medical University, Shinjyuku, Tokyo, Japan; Balyor College of Medicine, Houston, TX 86 Radical Prostatectomy (RP) after Single Core Positive and Minimal Prostate Cancer (PCa) on Ten-Core Biopsy (773) K Trpkov, P Faris, A Yilmaz Calgary Laboratory Services and University of Calgary, Calgary, AB, Canada 87 Single Core Positive and Minimal Prostate Cancer (PCa) on Needle Biopsy: Correlation with Tumor Volume and Clinically Insignificant Cancer (774) K Trpkov, J Tsui, J Mancevska, P Faris, A Yilmaz - Calgary Laboratory Services and University of Calgary, Calgary, AB, Canada 88 Invasion of Ejaculatory Ducts by Prostate Adenocarcinoma Is Strongly Associated with Non-Organ-Confined Disease (701) HL Levin, C Magi-Galluzzi, J Myles, M Skacel, E Klein, M Zhou. - The Cleveland Clinic Foundation, Cleveland, OH 89 Prostate Cancer: Are Clinical Stages T1c and T2 Similar? (595) A Billis, LA Magna, IC Watanabe, MV Costa, GHQ Telles, U Ferreira - School of Medicine, State University of Campinas (UNICAMP), Campinas, SP, Brazil 90 Prostate Cancer: Should Stage T2 (2002 TNM Staging System) Be Subclassified? (740) MM Quintal, A Billis, LA Magna, MS Guimaraes, T Ruano, U Ferreira - School of Medicine, State University of Campinas (UNICAMP), Campinas, SP, Brazil 91 Prostatic Central Zone Carcinoma (640) S Erdogan, H Al-Maghary, JP Veinot, KT Mai - University of Cukurova, Cukurova, Turkey; The Ottawa Hospital, Ottawa, ON, Canada 92 Prostate Re-Biopsies Following the Diagnosis of PIN and ASAP - Numbers and Findings in the Brazilian Population (700) KRM Leite, CATS Mitteldorf, LH Camara-Lopes Sirio Libanes Hospital, Sao Paulo, Brazil 93 Precursor of Prostate-Specific Antigen (ProPSA): Role of Immunohistochemical Staining in High Grade Prostate and Urothelial Carcinomas (576) TZ Ali, AV Parwani, C Marlow, R Veltri, SD Mikolajczyk, HG Rittenhouse, JI Epstein, TY Chan - Johns Hopkins Hospital, Baltimore, MD; Beckman Coulter, Inc, San Diego, CA 94 Detection of PTEN Deletion in Prostate Cancer but not Prostatic Intra-Epithelial Neoplasia (PIN) by Fluorescence In-Situ Hybridization (FISH) on Tissue Microarrays (806) M Yoshimoto, J-C Cutz, J Bayani, AJ Evans, M Zielenska, JA Squire - Ontario Cancer Institute - Princess Margaret Hospital; Princess Margaret Hospital; University of Toronto; The Hospital for Sick Children, Toronto, ON, Canada 95 Are There Different Prognostic Patterns of High Grade PIN? A TMA Study of RACK1 Expression (677) C Iglesias, I de Torres, M Cuatrecasas, F Rojo, J Morote, F Munnell, J Reventos, S Ramon y Cajal - Vall d'Hebron University Hospital, Barcelona, Spain 96 Changes in Tumor and HGPIN Characteristics in Radical Prostatectomy Specimens from 1990 to 2004: Results from the NCI Cooperative Prostate Cancer Tissue Resource (CPCTR) (626) R Dhir, MW Datta, J Melamed, MJ Becich, MC Bosland, AA Kajdacsy-Balla, J Orenstein, S Silver, J Berman - University of Pittsburgh, Pittsburgh, PA; Emory University, Atlanta, GA; New York University, New York, NY; University of Illinois-Chicago, Chicago, IL; George Washington University, Washington, DC; National Cancer Institute, Bethesda, MD 97 Trends in Prostate Biopsies in Recent Years (707) KK Lin, H Ding, XJ Yang - Specialty Diagnostics, Phoenix, AZ; Sedars-Sinar Medical Center, Los Angeles, CA; Northwestern University, Chicago, IL 98 Clinical Impact of Changing Practice Patterns in Prostate Biopsies (708) KK Lin, H Ding, XJ Yang, JC Jensen, GW Middleton - Specialty Diagnostics, Phoenix, AZ; Sedars-Sinar Medical Center, Los Angeles, CA; Northwestern University, Chicago, IL; Urology Associates, Salt Lake City, UT; Urology Associates, Salt Lake City, UT 99 Perineural Involvement by Benign Prostatic Glands on Needle Biopsy (575) TZ Ali, JI Epstein The Johns Hopkins Hospital, Baltimore, MD 100 Correlating Pathological Evaluation of Neurovascular Bundle to the Intraoperative Findings (807) J Zhai, KM Slawin, N Kella, J Ishii, TM Wheeler - The Methodist Hospital, Houston, TX; Baylor College of Medicine, Houston, TX 101 Minimally Invasive Prostatectomy (Laproscopic and Robot-Assisted): Clinicopathological Characteristics of 82 Cases from a Single Institution (585) N Bakshi, LP Kunju, DP Wood Jr, RB Shah University of Michigan, Ann Arbor, MI; 102 Correlation of Prostate Biopsy and Three Time Point Dynamic Contrast Enhanced MRI (3TPMRI) in Men at High Risk for Prostate Cancer (Pca) (660) MA Haider, A Toi, BN Bloch, H Degani, E Furman-Haran, J Trachtenberg, JM Sweet - UHN - Princess Margaret Hospital, Toronto, ON, Canada; Beth Israel Deaconess Med. Center, Harvard Medical School, Boston, MA; Weitzmann Institute of Science, Rehovot, Israel 103 Prostate Biopsies for Abnormal Digital Rectal Examinations (630) H Ding, KK Lin Sedars-Sinar Medical Center, Los Angeles, CA; Specialty Diagnostics, Phoenix, AZ 104 High-Throughput Analysis of Chromosomal Aberrations in Formalin-Fixed Paraffin Embedded Tissue: A Novel Approach to Define Prostate Cancer Biomarkers from Archival Material (672) MD Hofer, R Kuefer, S Setlur, H Wu, MA Rubin - Brigham and Women's Hospital, Boston; Boston; Univeristy Hospital Ulm, Ulm, Germany 105 Independent Evaluation of the NCI Sponsored Cooperative Prostate Cancer Tissue Resource (CPCTR) Microarray (600) T-J Browne, R Kim, MA Rubin - Brigham and Women's Hospital, Boston, MA