POSTER SESSION IV Tuesday, March 1, 2005   —  1:00 - 4:30 PM Convention Center Exhibit Hall B GENITOURINARY PATHOLOGY 80 Chromosome 1 Analysis in Chromophobe Renal Cell Carcinoma with Tissue Microarray (TMA) Facilitated Fluorescence In-Situ Hybridization (FISH) (602) Y Cao, P Meyer, K Jacobson, MS Tretiakova, K Harrison, T Krausz, MM Picken - University of Chicago Hospitals, Chicago, IL; Loyola University Medical Center, Maywood, IL; Vysis,Inc., Downers Grove, IL 81 mRNA Expression Ratios among Four Genes Accurately Predict Subtypes of Renal Cell Carcinoma (609) Y-T Chen, J Tu, J Kao - Weill Med. College of Cornell Univ., New York, NY 82 Promoter Hypermethylation of von Hippel-Lindau (VHL) Tumor Suppressor Gene in Sporadic Renal Cell Carcinoma (719) P Mukunyadzi, L Howard, X Su, CY Fan - University of Arkansas for Medical Sciences, Central Veterans Healthcare Sysstem, Little Rock, AR 83 Shortened Telomeres in Clear Cell and Papillary Renal Cell Carcinomas (727) V Papavero, KT Patton, P Kashireddy, L Diaz, AM De Marzo, XJ Yang - Northwestern University, Chicago, IL; Johns Hopkins Medical Institution, Baltimore, MD 84 Nox Gene Expression in Renal Cell and Prostate Carcinoma (752) AN Schuetz, Q Yin-Goen, AN Young, CS Moreno, RS Arnold, MB Amin, JA Petros - Emory University School of Medicine, Atlanta, GA; Atlanta VA Medical Center, Decatur, GA 85 Differences in Telomere Length between Chromophobe Renal Cell Carcinoma and Oncocytoma (790) KL Wang, V Papavero, P Kashireddy, A DeMarzo, L Diaz, BT Teh, XJ Yang - Feinberg School of Medicine, Chicago, IL; Johns Hopkins University, Baltimore, MD; Van Andel Institute, Grand Rapids, MI 86 VHL Gene Hypermethylation Is Detected in a Subset of Papillary Renal Cell Carcinoma with Extensive Clear Cell Changes (787) S Vaziri, R Tubbs, T Mekhail, R Ganapathi, C Magi-Galluzzi, L Sercia, J Finke, R Bukowski, M Zhou - Lerner Research Institute; The Cleveland Clinic Foundation, Cleveland, OH 87 The Renal Sinus in Partial Nephrectomies: A Study of 50 Cases (599) SM Bonsib - Indiana University, Indianapolis, IN 88 Increased Expression of Insulin-Like Growth Factor Binding Protein-3 in Urothelial Carcinoma of the Renal Pelvis (614) ST Chuang, R Gupta, V Papavero, C Luan, BT Teh, XJ Yang - Northwestern University, Northwestern Memorial Hospital, Chicago, IL 89 Patterns of Metastasis in Renal Cell Carcinoma (696) B Lachey, C Magi-Galluzzi, M Zhou - The Cleveland Clinic Foundation, Cleveland, OH 90 Comparative Study of Immunohistochemical Profiles of Fetal and Adult Nephrons Using Renal Tumor Markers (724) A Omeroglu, M Alam, S Tanguay, A Aprikian, K Sircar - McGill University, Montreal, QC, Canada 91 Low-Grade Mucosa-Associated Lymphoid Tissue Lymphoma Involving the Kidney: A Clinicopathologic Study of 3 Cases (739) L Qiu, PD Unger, RW Dillion, JA Strauchen - Mount Sinai Medical Center, New York, NY 92 Lymph Node (LN) Involvement by Renal Angiomyolipoma (AML): A Really Rare Phenomenon? (699) O-J Lee, NH Cho, HS Shim, EK Hong, JY Ro - University of Ulsan College of Medicine (AMC), Seoul, Korea; Yonsei University College of Medicine (YUMC), Seoul, Korea; National Cancer Center (NCC), Goyang, Korea 93 Expression of Alpha-Methylacyl-CoA Racemase (AMACR) and C-kit in Renal Angiomyolipoma (804) A Yilmaz, M McConkey, K Trpkov - Calgary Laboratory Services and University of Calgary, Calgary, AB, Canada 94 Secretory Urothelial Carcinoma of the Urinary Bladder. A Report of Seven Cases (578) I Alvarado-Cabrero, M Chávez-García, FI Sierra-Santiesteban, O Hes - Hospital de Oncología, CMN SXXI, México, DF; University Hospital, Plzen, Czech Republic 95 Plasmacytoid Transitional Cell Carcinoma (P-TCC) of Urinary Bladder: A Clinicopathologic Study in 7 Patients (698) HI Lee, SJ Jung, S Lee, JY Ro - Asan Medical Center, University of Ulsan College of Medicine, Seoul; Paik Hospital, University of Inje, Pusan; National Cancer Center, Goyang, Korea 96 The "Pushing Pattern" Defines an Underecognized Subtype of T1 Urothelial Carcinoma of the Urinary Bladder (710) JI López, JC Angulo, FJ Bilbao - Hospital de Basurto, Basque Country University (UPV/EHU), Bilbao, Bizkaia, Spain; Hospital Príncipe de Asturias, University of Alcalá, Alcalá de Henares, Madrid, Spain 97 Urothelial Carcinoma with Rhabdoid Features: Report of Five Cases (728) A Parwani, M Herawi, S-H Tsay, JI Epstein - University of Pittsburgh Medical Center, Pittsburgh, PA; Veterans General Hospital-Taipei, Taipei, China; The Johns Hopkins Hospital, Baltimore, MD 98 An Immunohistochemical (IHC) Study of Osteoclast-Like Giant Cell Neoplasms of the Urinary Tract: Extraskeletal Giant Cell Tumor of Bone or Osteoclast-Type Giant Cell Carcinoma (641) D Ertoy-Baydar, MB Amin, JI Epstein - The Johns Hopkins Hospital, Baltimore, MD; Emory University Hospital, Atlanta, GA 99 Immunostains CD56 and CD10 Aid to Diagnose and Differentiate Small Cell Carcinoma of Urinary Bladder and Prostatic Origin (714) MR Mariappan, M Salama, O Fadare, RV Rouse, DA Arber - Stanford University, Stanford, CA; Yale University, New Haven, CT 100 Thyroid Transcription Factor-1 Expression in Small Cell Carcinoma of the Urinary Bladder: An Immunohistochemical Profile of 44 Cases (611) L Cheng, TD Jones, KM Kernek, XJ Yang, A Lopez-Beltran, GT MacLennan, JN Eble, H Lin, C Pan, M Tretiakova, LA Baldridge - Indiana University, Indianapolis, IN; Northwestern University, Chicago, IL; Cordoba University, Cordoba, Spain; Case Western Reserve University, Cleveland, OH; Yale University, New Haven, CT; University of Chicago, Chicago, IL 101 Small Cell Carcinoma of the Urinary Bladder: A Clinicopathologic Study of 55 Cases (723) S Olgac, T Koppie, N Saunders, B Bochner, VE Reuter - Memorial Sloan-Kettering Cancer Center, New York, NY 102 p53 Expression in Small Cell Carcinoma of the Urinary Bladder (791) X Wang, TD Jones, GT MacLennan, XJ Yang, A Lopez-Beltran, JN Eble, H Lin, M Tretiakova, L Cheng - Indiana Univ, Indianapolis, IN; Case Western Univ, Cleveland, OH; Northwestern Univ, Chicago, IL; Cordoba Univ, Cordoba, Spain; Yale Univ, New Haven, CT; Univ of Chicago, Chicago, IL 103 Aberrant Expression of Mucin 7 and Cytokeratin 20 in Urothelial Carcinoma (654) T Giorgadze, Z Bing, JE Tomaszewski, TA Farkas - University of Pennsylvania, Philadelphia, PA 104 Interferon Signal Transduction Pathway Is Disturbed in a Subset of High Grade Invasive Urothelial Carcinomas (810) M Zhou, P Sadhukhan, R Rackley, J DiDonato - The Cleveland Clinic Foundation, Cleveland, OH 105 Evaluation of p16INK Immunohistochemical Expression as a Marker for Neoplastic Transformation in the Urinary Bladder (805) M Yin, S Bastacky, M Acquafondata, T McHale, R Dhir - University of Pittsburgh Medical Center, Pittsburgh, PA 106 PAX5 Protein Expression in Bladder Tumors by Tissue Microarray Immunohistochemistry (682) KC Jensen, G Kaygusuz, K Montgomery, M van de Rijn, J Higgins - Stanford Medical Center, Stanford, CA; Medical School of Ankara University, Ankara, Turkey 107 Value of CDX2, Villin, and a-Methylacyl Coenzyme A Racemase Immunostains in the Distinction between Primary Adenocarcinoma of the Bladder and Secondary Colorectal (763) N Suh, XJ Yang, MS Tretiakova, PA Humphrey, HL Wang - Washington University, St. Louis, MO; Northwestern University, Chicago, IL; University of Chicago, Chicago, IL 108 Comparison of Urinary Cytology (UC) and Fluorescence In-Situ Hybridization (FISH) Detection of Urothelial Neoplasia (UN): Analysis of Concordant and Discrepant Cases (716) T McHale, K Cieply, R Dhir, T Mercuri, P Ohori, F Monzon, A Parwani, J Catroppo, C Sherer, S Bastacky - University of Pittsburgh, Pittsburgh, PA 109 A Functional Polymorphism in an RGS Gene Modulates the Risk of Bladder Cancer (591) DM Berman, YW Wang, Z Liu, Q Dong, L Burke, L Liotta, R Fisher, X Xu - NCI, Bethesda, MD; MD Anderson Cancer Center, Houston, TX; University of Iowa, Iowa City, IA 110 Solid Muscle-Invasive Transitional Cell Carcinomas of the Bladder Reveal Microsatellite Instability and Somatic Down-Regulation of Mismatch Repair (597) A Blanes, SJ Diaz-Cano - University of Malaga School of Medicine, Malaga, Spain; King's College Hospital, London, England, United Kingdom 111 Molecular Analysis of Inverted Tumors of the Urinary Bladder (634) M Eiber, H Blaszyk, JMM van Oers, E Zwarthoff, T van der Kwast, R Stoehr, M Burger, JC Cheville, G Sauter, M Amin, F Hofstaedter, A Hartmann - University of Regensburg, Regensburg, Germany; Erasmus University, Rotterdam, Netherlands; University of Vermont, Burlington, VT; Mayo Clinic, Rochester, MN; University of Basel, Basel, Switzerland; Emory University, Atlanta, GA 112 Could p16, Retinoblastoma and p53 Immunostains Offer New Insights into Prognostic Evaluation of Patients with "Urothelial Atypia of Unknown Malignant Potential"? (692) P Kotsali, EF Tamas, G. Pareek, MM Shevchuk - Lenox Hill Hospital, New York, NY 113 Aurora A: A Biomarker of Aneuploidy in Bladder Cancer (762) PE Spiess, JR Steinberg, J Bondaruk, J Jeong, T Tuziak, HB Grossman, B Czerniak - The University of Texas M D Anderson Cancer Center, Houston, TX; The University of Texas M D Anderson Cancer Center, Houston, TX 114 High-Resolution Whole-Organ Mapping with SNPs and Its Significance to Early Events of Carcinogenesis (783) T Tuziak, J Jeong, MS Kim, T Majewski, J Steinberg, Z Wang, TC Kuang, DA Johnston, B Czerniak - The University of Texas M D Anderson Cancer Center, Houston,