POSTER SESSION I Monday, March 08, 2004   —  9:30 AM - 12:00 Noon Exhibit Hall B and C GENITOURINARY PATHOLOGY 71 The Use of Cytokeratin 7 To Differentiate Renal Oncocytoma from Chromophobe Renal Cell Carcinoma (560) BP Adley, J Sugimura, K Patton, L Huo, BT Teh, XJ Yang - Feinberg School of Medicine, Northwestern University, Chicago, IL; Van Andel Research Institute, Grand Rapids, MI 72 Extent of Muscle Involvement by Urothelial Carcinoma in Transurethral Resections of the Bladder and Its Ability To Predict Deep Invasion in Subsequent Cystectomy Specimens (585) EC Belanger, C Morash, I Cagiannos, HM Yazdi, KT Mai - University of Ottawa, Ottawa, ON, Canada 73 Foamy Gland Prostate Carcinoma: Is Gleason Grading Valid in Areas of Foamy Gland Tumors? (593) TA Bismar, S Perner, PG Febbo, MD Hofer, AM Chinnaiyan, MA Rubin - Brigham and Women's Hospital, Harvard Medical School, Boston, MA; University Hospital of Ulm, Ulm, Germany; Dana Farber Cancer Institute, Boston, MA; Univeristy of Michigan, Ann Arbor, MI 74 Identification of Two Molecular Groups of Seminomas Using Expression and Tissue Microarray Analyses (594) TJ Browne, MD Hofer, V Walsh, L He, RI Skotheim, RA Lothe, MA Rubin - Brigham and Women's Hospital, Boston, MA; Harvard Medical School, Boston, MA; The Norwegian Radium Hospital and Univ. of Oslo, Oslo, Norway 75 Glutathione S-Transferase Alpha: A Marker for Clear Cell Renal Cell Carcinoma (608) ST Chuang, J Sugimura, R Gupta, M Tretiakova, BT Teh, XJ Yang - Feinberg School of Medicine, Northwestern University, Northwestern Memorial Hospital, Chicago, IL; Van Andel Research Institute, Grand Rapids, MI; University of Chicago, Chicago, IL 76 Estrogen Receptor Expression in Papillary Urothelial Carcinoma of the Bladder and Ovarian Transitional Cell Carcinoma (609) PR Croft, SL Lathrop, RM Feddersen, NE Joste - University of New Mexico, Albuquerque, NM 77 Sporadic Hybrid Renal Cell Carcinoma (616) PK Dhamanaskar, EC Belanger, HY Yazdi, KT Mai - University of Ottawa, Ottawa, ON, Canada 78 Does pT2b Cancer Exist? Critical Appraisal of the 2002 Tumor-Nodes-Metastasis (TNM) Classification of Prostate Cancer (619) LE Eichelberger, L Cheng - Indiana University School of Medicine, Indianapolis, IN 79 Histopathological and Immunohistochemical Study of Papillary Urothelial Neoplasms of Low Malignant Potential and Low Grade Associated with Extensive Invasive Low Grade Urothelial Carcinoma (621) G Elmostaser, GD Perkins, WA Stinson, A Thijjsen, KT Mai - University of Ottawa, Ottawa, ON, Canada 80 Practice Patterns of Clinicians Following an Isolated Diagnosis of "Atypical Small Acinar Proliferation" (ASAP) on Core Needle Prostate Biopsy (628) O Fadare, S Wang, MR Mariappan - Yale-New Haven Hospital, New Haven, CT 81 Immunohistochemical and Tissue Microarray Analysis of Human Male Infertility (632) R Firestein, MA Rubin - Brigham and Women's Hospital, Harvard Medical School, Boston, MA 82 Genome-Wide Detection of Genetic Changes in Prostate Carcinogenesis (641) Y Ge, S Ma, H Kirk, B Woolcock, J Vielkind, WL Lam - British Columbia Cancer Agency, Vancouver, Canada 83 Alpha-Methyl CoA Racemase (AMACR) Immunoreactivity in Organ Donor Prostates (643) A Gologan, S Bastacky, T McHale, J Yu, C Cai, F Monzon, R Dhir - University of Pittsburgh Medical Center, Pittsburgh, PA 84 Attenuated Expression of Wisp-1 in Renal Tumors (648) C Guo, G-H Wang, G-Y Yang, L Chiriboga, H Yee, J Melamed - New York University Medical Center, New York, NY 85 Expression of Alpha-Methylacyl-Coenzyme A Racemase in Nephrogenic Adenomas (649) A Gupta, HL Wang, ML Policarpio-Nicolas, M Tretiakova, XJ Yang - Northwestern Memorial Hospital, Chicago, IL; Washington University, St. Louis, MO; University of Chicago, Chicago, IL 86 A Comparison of P63, AMACR, and a Cocktail Comprising Both, in the Diagnosis of Prostatic Carcinoma (652) O Hameed, J Sublett, PA Humphrey - Washington University School of Medicine, St. Louis, MO 87 Pseudosarcomatous Myofibroblastic Proliferations of the Bladder: A Clinico-Pathologic Study of 42 Cases (653) LR Harik, C Merino, JM Coindre, MB Amin, SW Weiss - Emory University School of Medicine, Atlanta, GA; Institut Bergonie, Bordeaux, Cedex, France 88 Overexpression of CARM1, a Transcriptional Coactivator of Androgen Receptor, in Prostatic Adenocarcinoma and Its Precursors (660) H Hong, C Kao, M Jeng, JN Eble, MO Koch, TA Gardner, S Zhang, L Li, Z Hu, GT MacLennan, L Cheng - Indiana University School of Medicine, Indianapolis, IN; Case Western Reserve University, Cleveland, OH 89 Androgen Ablation Therapy for Prostate Cancer Suppresses Telomerase hTERT Immunoreactivity (662) W Huang, KA Iczkowski, R Mazzucchelli, R Montironi - University of Florida, FL; Veterans Administration Medical Center of Gainesville, FL; University of Ancona Hospital, Ancona, Italy 90 Analysis of C-kit Expression in 171 Renal Neoplasms (665) L Huo, KT Patton, BP Adley, R Gupta, V Papavero, WB Laskin, A Yeldandi, XJ Yang - Feinberg School of Medicine, Northwestern University, Chicago, IL 91 Genetic Heterogeneity in Renal Cell Carcinomas with Clear Cell and Sarcomatoid Components (671) TD Jones, S Zhang, JN Eble, GT MacLennan, S Huffman, L Cheng - Indiana University School of Medicine, Indinapolis, IN; Case Western Reserve University, Cleveland, OH 92 Prognostic Value of the Expression of E-, N-Cadherins and a, b, g-Catenins in Superficial Bladder Tumors (683) I Lascombe, A Clairotte, S Fauconnet, F Mauny, MP Algros, S Bernardini, H Bittard, B Kantelip - Urologie, CHU; Anatomie et Cytologie Pathologiques, CHU; Information Medicale, CHU, Besancon, France 93 Expression of Fibronectin and HIF-1 in Conventional Renal Cell Carcinomas: The Relationship to von Hippel-Lindau Gene Inactivation (687) S Liu, H Zhi, M Jinghe, MD Hughson - University of Mississippi Medical Center, Jackson, MS 94 Concordant Genetic Alterations in the Urinary Bladder Small Cell Carcinomas and Co-Existing Urothelial Carcinoma (698) RP McCarthy, S Zhang, JN Eble, A Lopez-Beltran, XJ Yang, GT MacLennan, K Nigro, C Pan, S Huffman, L Cheng - Indiana University School of Medicine, Indianapolis, IN; Cordoba University, Cordoba, Spain; Northwestern University, Chicago, IL; Case Western Reserve University, Cleveland, OH 95 A Role for Decoverslipping Slides in the Immunohistochemical Evaluation of Atypical Small Acinar Proliferations in Prostate Needle Core Biopsies (703) JE Mendelin, LD True - University of Washington, Seattle, WA 96 Immunohistochemical Expression of CD10, Cytokeratin and Vimentin in Conventional (Clear) Renal Cell Carcinoma with Sarcomatoid Dedifferentiation: A Comparative Study of 60 Cases (706) JT Molina, P Tamboli - The University of Texas M. D. Anderson Cancer Center, Houston, TX 97 Immunohistochemical Staining of Precursor Forms of Prostate Specific Antigen (ProPSA) in Metastatic Prostate Cancer (718) AV Parwani, C Marlow, A Demarzo, SD Mikolajczyk, HG Rittenhouse, R Veltri, TY Chan - Johns Hopkins Hospital, Baltimore, MD; Hybritech Incorporated, a Subsidiary of Beckman Coulter, Inc., San Diego, CA 98 Ron Proto-Oncogene Product Is a Marker of Renal Oncocytoma and Chromophobe Renal Cell Carcinoma (719) KT Patton, L Huo, BP Adley, V Papavero, MS Tretiakova, MR Pins, XJ Yang - Northwestern University, Chicago, IL 99 Prostate Needle Biopsies: Multiple Variables Are Predictive of Final Tumor Volume in Radical Prostatectomy Specimens (723) C Poulos, JK Daggy, L Cheng - Indiana University School of Medicine, Indianapolis, IN 100 Utility of a Contemporary Immunohistochemical Panel in the Differential Diagnosis of Adult Renal Epithelial Neoplasms: A Study in Tissue Microarrays To Simulate Experience in Renal Biopsy Specimens (726) A Radhakrishnan, SD Lim, A Patel, RA Hennigar, B Shehata, MB Amin - Emory University School of Medicine, Atlanta, GA 101 Variable Staining of AMACR (Racemase) in Pre and Post Androgen Deprivation Therapy of Prostate Adenocarcinoma (747) AB Sonawala, G Swanson, VO Speights - Scott & White Memorial Hospital, Temple, TX 102 Expression of Tissue Factor in Prostate Cancer Correlates with Disease Stage (753) M Thomas, V Kausal, M Kohli, R Dennis, P Mukunyadzi - University of Arkansas for Medical Sciences and Central Arkansas Veterans Healthcare System, Little Rock, AR 103 Mucin Expression in Benign and Neoplastic Prostate Using Tissue Microarrays (777) JL Yao, JH McClaskey, A Quinn, PA Bourne, JY Lei, PA di Sant'Agnese, J Huang - University of Rochester Medical Center, Rochester, NY