POSTER SESSION I Monday, February 28, 2005   —  9:30 AM - 12:00 Noon Convention Center, Exhibit Hall B GENITOURINARY PATHOLOGY 80 Role of ProPSA Immunostaining in Fine Needle Aspiration of Metastatic Prostate Adenocarcinoma (577) TZ Ali, AV Parwani, C Marlow, R Veltri, SD Mikolajczyk, HG Rittenhouse, SZ Ali, TY Chan - Johns Hopkins Hospital, Baltimore, MD; University of Pittsburg Medical Center, Pittsburgh, PA; Beckman Coulter, Inc, San Diego, CA 81 Skip Areas with Absence of Basal Cells in Prostatic Intraepithelial Neoplasia and Atypical Adenomatous Hyperplasia: Diagnostic Problems in Prostatic Needle Biopsies (583) Z Aziz, AS Commons, HM Yaxdi, KT Mai - University of Ottawa, Ottawa, ON, Canada 82 Follow-Up of Patients with Initial Benign Ten-Core Biopsy (587) A Bano, A Yilmaz, C Noonan, K Trpkov - Calgary Laboratory Services and University of Calgary, Calgary, AB, Canada 83 Immunohistochemical Expression of Calretinin, CD99, and a-Inhibin in Sertoli and Leydig Cells and their Lesions, Emphasizing Large Cell Calcifying Sertoli Cell Tumor (588) AK Bennett, TM Ulbright, DM Ramnani, RH Young, SE Mills - University of Virginia, Charlottesville, VA; University of Indiana, Indianapolis, IN; Virginia Urology Group, Richmond, VA; Massachusetts General Hospital, Boston, MA 84 Immunoreactivity for Oct-3/4 Using a Monoclonal Antibody Distinguishes Embryonal Carcinomas and Seminomas from Other Epithelioid and Round Cell Malignant Neoplasms (589) MW Bennett, GS Pinkus, JL Pinkus, TJ Browne, MA Rubin, JL Hornick - Brigham & Women's Hospital; Harvard Medical School, Boston, MA 85 E-Cadherin Pattern of Expression Differentiates Chromophobe Renal Cell Carcinoma from Oncocytoma: An Immunohistochemical Study of 137 Renal Neoplasms (590) EA Berbescu, DJ Lager - Mayo Clinic, Rochester, MN; Medical College of Virginia, Richmond, VA 86 Intraoperative Evaluation of Pelvic Lymph Nodes during Radical Prostatectomy: Is Gross Evaluation Only Enough? (593) S Bhagavathi, M de Peralta-Venturina, TC Killeen, HF Chhatriwala, SH Merchant, RK Malhotra, MB Amin - William Beaumont Hospital, Royal Oak, MI; Univ of Chicago, Chicago, IL; University of New Mexico, Albuquerque, NM 87 Glandular Neoplasms of the Urachus: Clinicopathologic and Immunohistochemical Analysis of 43 Cases with Special Emphasis on Low-Grade Mucinous Cystic Tumors (613) WWL Choi, MB Amin, P Tamboli, JN Eble, RH Young - Emory University School of Medicine, Atlanta, GA; University of Texas MD Anderson Cancer Center, Houston, TX; Indiana University, Indianapolis, IN; Massachusetts General Hospital, Harvard Medical School, Boston, MA 88 High Level of Pim-1 Expression in Prostatic Intraepithelial Neoplasia and Adenocarcinoma (615) TL Cibull, TD Jones, L Li, JN Eble, MO Koch, M Wang, CX Pan, LA Baldridge, SR Malott, Y Luo, L Cheng - Indiana University, Indiana School of Medicine, Indianapolis, IN; Abbott Laboratories, Abbott Park, IL 89 The 2003 pN Classification for Renal Cell Carcinoma: Can Its Prognostic Accuracy Be Improved? (629) HH Dimashkieh, CM Lohse, BC Leibovich, ED Kwon, ML Blute, JC Cheville - Mayo Clinic, Rochester, MN 90 Morphologic Changes in Pelvic Lymph Node Metastases of Prostatic Adenocarcinoma Following Neoadjuvant Therapy (655) JA Gomez, RF Tibbs, NA Abrahams, F Vakar-Lopez, P Troncoso - U.T. M.D. Anderson Cancer Center, Houston, TX; University of Nebraska Medical Center, Omaha, NE 91 Needle Core Biopsy of the Kidney for Mass Lesions: A Clinicopathologic Perspective Based on 196 Cases (664) LR Harik, S Pashaei, PA Humphrey, P Tamboli, MB Amin - Emory University Hospital, Atlanta, GA; Washington University School of Medicine, St. Louis, MO; University of Texas MD Anderson Cancer Center, Houston, TX 92 Molecular Evidence for the Independent Origin of Multifocal Papillary Tumors in Patients with Papillary Renal Cell Carcinoma (687) TD Jones, M Wang, GT MacLennan, JN Eble, B Delahunt, M Brunelli, G Martignoni, A Lopez-Beltran, SM Bonsib, TM Ulbright, F Ma, S Zhang, K Nigro, L Cheng - Indiana University School of Medicine, Indianapolis, IN; Case Western Reserve University, Cleveland, OH; Wellington Medical School, Wellington, New Zealand; Universita di Verona, Verona, Italy; Universita di Sassari, Sassari, Italy; Cordoba University, Cordoba, Spain 93 Renal Cell Tumors Arising in End-Stage Renal Disease (ESRD): A Karyotypic Study with Fluorescent In-Situ Hybridization (FISH) (722) KC O'Reilly, SK Tickoo, MB Amin, A Radhakrishnan, CE Hill - Emory University Hospital, Atlanta, GA; WMC of Cornell University, New York, NY 94 Immunohistochemistry in the Differential Diagnosis of Mucinous Tubular and Spindle Cell Carcinoma and Papillary Renal Cell Carcinoma of the Kidney: Innovations and Pitfalls (725) GP Paner, JR Srigley, AN Young, A Radhakrishnan, C Cohen, SK Tickoo, BF Skinnider, MB Amin - Emory University School of Medicine, Atlanta, GA; Credit Valley Hospital, Mississauga, ON, Canada; Atlanta VA Medical Center, Atlanta, GA; Weill Medical College of Cornell University, New York, NY; Vancouver General Hospital and University of British Columbia, Vancouver, BC, Canada 95 Study of KIT Exon 11 Mutations in KIT-Positive Sarcomatoid Renal Cell Carcinoma Specimens (731) A Petit, M Castillo, M Garrido, D Colomer, A Palacin, E Campo, C Mallofre - IDIBAPS-Hospital Clinic, Universitat de Barcelona, Barcelona, Spain 96 Expression of Smad4 in Prostatic Adenocarcinoma (PAC) Whole Mount Sections Correlates with Tumor Gleason Grade (738) M Punar, CE Sheehan, TA Jennings, B Mian, JS Ross, T Nazeer - Albany Medical College, Albany, NY 97 Gene Expression Profiling of Renal Angiomyolipoma with Oligonucleotide Arrays (741) A Radhakrishnan, Q Yin-Goen, MW Datta, AN Young, MB Amin - Emory University School of Medicine, Atlanta, GA; VA Medical Center, Atlanta, GA 98 Ultrastructural and Immunohistochemical (IHC) Appraisal of Tubulocystic Carcinoma (TCCa) of the Kidney: Histogenetic and Diagnostic Implications (742) A Radhakrishnan, GT MacLennan, RA Hennigar, JR Srigley, F Paraf, JC Cheville, A Vieillefond, MD Stovsky, M Che, DJ Grignon, MB Amin - Emory University School of Medicine, Atlanta, GA; University Hospitals of Cleveland, Case Western Reserve University, Cleveland, OH; Credit Valley Hospital, Mississauga, ON, Canada; CHRU Dupuytren, Limoges, France; Mayo Clinic, Rochester, MN; Cochin Hospital, Paris, France; Harper University Hospital, Detroit, MI 99 Prospective Cytogenetic and Histopathologic Correlation of Renal Epithelial Neoplasms: A Series of 67 Cases in Vermont (743) J Richmond, M Tang, K Cooper - University of Vermont College of Medicine/Fletcher Allen Health Care, Burlington, VT 100 JAGGED1 Expression Is Associated with Prostate Cancer Metastasis and Recurrence (750) S Santagata, F Demichelis, A Riva, S Varambally, MD Hofer, JL Kutok, R Kim, J Tang, JE Montie, AM Chinnaiyan, JC Aster, MA Rubin - Brigham and Women's Hospital, Boston, MA; Harvard Medical School, Boston, MA; IRST Istituto per la Ricerca Scientifica e Tecnologica, Trento, Italy; Children's Hospital, Boston, MA; University of Michigan, Ann Arbor, MI 101 Correlation of Prostate Biopsy and Prostatectomy Gleason Score: Relationship of Number of Positive Biopsies, Highest Volume and Highest Score (756) J Shen, WK Funkhouser, SJ Maygarden - University of North Carolina, Chapel Hill, NC 102 Biomarker Identification for Testicular Tumors using Cation -Exchange ProteinChips (64) X Sun, L Chen, XZ Shi, IS Hahn, KV Soman, BA Luxon, WW Tang - UTMB University of Texas Medical Branch, Galveston, TX 103 CD10 Expression in Urothelial Tumors: Comparison with K903 and P63 (771) M Tismenetsky, I Amplianides, DE Burstein, L Miller, Li Gan, MD Legman, PD Unger - Mount Sinai School of Medicine, New York, NY; Serras General Hospital, Serras, Greece; Ruttenberg Cancer Center, New York, NY 104 Renal Papillary Adenoma - A Possible Precursor Lesion of Papillary Renal Cell Carcinoma (789) KL Wang, ST Chuang, DM Weinrach, C Luan, F Lin, BT Teh, XJ Yang - Feinberg School of Medicine, Northwestern University, Chicago, IL; Geisinger Medical Center, Danville, PA; Van Andel Institute, Grand Rapids, MI 105 Clinical Significance of Tertiary Gleason Pattern 5 in Gleason Score 7 Radical Prostatectomies (796) DE Whittemore, EJ Hick, MR Carter, WJ Sexton - Wilford Hall Medical Center, Lackland Air Force Base, TX 106 Clinical Significance of Benign Glands at the Surgical Margins in Robotic Radical Prostatectomy Specimens (797) NP Wilson, KC Balaji, SL Johansson, S Sterret, NA Abrahams - Universtiy of Nebraska Medical Center, Omaha, NE 107 A Morphologic and Immunohistochemical Study of Renal Tumors in End-Stage Renal Disease (ESRD): Emphasis on Tumors of Unusual Morphology (798) HD Worcester, MB Amin, LR Harik, A Radhakrishnan, SK Tickoo - Emory University, Atlanta, GA; WMC of Cornell University, New York, NY