POSTER SESSION II Monday, February 28, 2005   —  1:00 - 4:30 PM Convention Center, Exhibit Hall B GENITOURINARY PATHOLOGY 62 Mixed Epithelial and Stromal Tumor of the Kidney vs Adult Cystic Nephroma - One or Two Entities? Reappraisal of 14 Lesions (581) T Antic, R Fresco, MR Pins, MM Picken - Loyola University Medical Center, Maywood, IL; Northwestern University, Chicago, IL 63 Cystic Nephroma and Mixed Epithelial and Stromal Tumor of the Kidney: A Spectrum of the Same Entity? (683) D Jevremovic, DJ Lager, ML Lewin - Mayo Clinic, Rochester, MN 64 Expression of Oxidative Complex Enzymes Assist in the Differential Diagnosis of Renal Tumors (624) KD Deas-Wooten, PC Herrmann, CA Torres-Cabala, MW Linehan, MJ Merino - NCI, Bethesda, MD 65 Caveolin-1 Immunohistochemistry Is Useful for Differentiating Chromophobe Renal Cell Carcinoma from Oncocytoma (653) E Garcia, Y Yeh, M Li - Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY 66 Oncocytic Papillary Renal Cell Carcinoma. A Clinicopathologic Study of 9 Cases (670) O Hes, M Brunelli, M Michal, P Cossu Rocca, M Chilosi, M Mina, F Menestrina, G Martignoni - University Hospital Plzen, Plzen, Czech Republic; Universita di Verona, Verona, Italy; Universita di Sassari, Sassari, Italy 67 Chromophobe Renal Cell Carcinoma with Microcystic and Adenomatous Arrangement and Pigmentation (669) O Hes, T Vanecek, R Sima, MD Perez-Montiel, I Alvarado Cabrero, L Boudova, S Suster, J Lamovec, M Zamecnik, M Michal - University Hospital Plzen, Plzen, Czech Republic; INCAN, Mexico City, DF, Mexico; Centro Medico, Mexico City, DF, Mexico; OSU, Columbus, OH; Institute of Oncology, Ljubljana, Slovenia 68 Expression of alpha-Methylacyl-CoA Racemase (AMACR)/P504S in Renal Neoplasms (703) C Li, Z Jiang, Y Zhang, B Banner, C-L Wu - University of Massachusetts Medical School, Worcester, MA; Massachusetts General Hospital (MGH), Boston, MA 69 CK7, CK20 and CD15 Can Reliably Differentiate Renal Oncocytoma from Chromophobe Renal Cell Carcinoma (713) C Magi-Galluzzi, HS Levin, G Willis-Eppinger, L Hood, M Zhou - Cleveland Clinic Foundation, Cleveland, OH 70 Cytokeratin 7 and c-kit Expression in Renal Neoplasms (718) L Memeo, JJ Jhang, A Assaad, VV Murty, M Mansukhani - Columbia University Medical Center, New York, NY 71 Expression of KIT in Hereditary Renal Cell Carcinoma (772) CA Torres-Cabala, EML Li Ning, MA Palau, B Zbar, WM Linehan, MJ Merino - NCI, Bethesda, MD; NCI, Bethesda, MD 72 KIT and RCC Are Useful in Distinguishing Chromophobe Renal Cell Carcinoma from the Granular Variant of Conventional Renal Cell Carcinoma (788) HY Wang, SE Mills - University of Virginia Health Sciences Center, Charlottesville, VA 73 Carbonic Anyhdrase II in Oncocytoma and Chromophobe Renal Cell Carcinoma (794) DM Weinrach, KL Wang, V Papavero, B Lin, BT Teh, XJ Yang - Feinberg School of Medicine, Northwestern University, Chicago, IL; Van Andel Institute, Grand Rapids, MI 74 Expression of Renal Cell Carcinoma Antigen (RCC) in Renal Epithelial and Non-Renal Tumors: Diagnostic Implications (586) N Bakshi, LP Kunju, T Giordano, RB Shah - University of Michigan, Ann Arbor, MI 75 Expression of Epidermal Growth Factor Receptor in Renal Neoplasms (616) D Cohen, C Magi-Galluzzi, R Tubbs, J Finke, R Bukowski, M Zhou - The Cleveland Clinic Foundation, Cleveland, OH 76 Expression of Mucin Antigens in Renal Tumors (658) CC Guo, X Kong, P Lee, J Melamed - New York University School of Medicine, New York, NY 77 Cyclin D1 Overexpression in Renal Epithelial Tumors: A Tissue Microarray Study (678) M Iglesias, M Jimeno, R Jaramillo, J Lloreta, O Bielsa, J Santos, S Hernandez, A Gelabert, S Serrano - Hospital del Mar-IMAS-IMIM; Hospital del Mar-IMAS-IMIM; Pompeu Fabra University; Autonomous University of Barcelona, Barcelona, Spain 78 p53 and PAb 240 Overexpression in Renal Cell Carcinoma: A Tissue Microarray Study (679) M Iglesias, M Jimeno, R Jaramillo, J Lloreta, O Bielsa, J Santos, S Hernandez, T Baro, A Gelabert, S Serrano - Hospital del Mar-IMAS-IMIM; Hospital del Mar-IMAS-IMIM; Pompeu Fabra University; Autonomous University of Barcelona, Barcelona, Spain 79 Neuropeptide Y (NPY) Receptors as Pathobiological Markers for Renal Cell Carcinomas and Nephroblastomas (691) M Korner, B Waser, JC Reubi - Institute of Pathology of the University of Bern, Bern, Switzerland 80 Overexpressed and Activated mTOR Pathway in Renal Cell Carcinomas (RCCs) (705) F Lin, PL Zhang, XJ Yang, JW Prichard, MY Lun, RE Brown - Geisinger Medical Center, Danville, PA; Northwestern Memorial Hospital, Chicago, IL 81 Immunohistochemical Detection of MLH1 and MSH2 in Renal Cell Tumors (706) F Lin, XJ Yang, RE Brown, PL Zhang - Geisinger Medical Center, Danville, PA; Northwestern Memorial Hospital, Chicago, IL 82 Utility of GLUT1 Expression in Distinguishing Renal Cell Carcinoma from Adrenal Tumors (720) P Mukunyadzi, F Zhang, CY Fan, PE North - University of Arkansas for Medical Sciences, Arkansas Children's Hospital, Little Rock, AR 83 Renal Cell Neoplasm with Dual Differentiation of Proximal and Distal Nephron: An Immunohistochemical Studies (757) SS Shen, M Chirala, B Krishnan, R Amato, YL Liu, J Zhai, LD Truong - The Methodist Hospital, Houston, TX; Veterans Affairs Medical Center, Houston, TX; Baylor College of Medicine, Houston, TX; Allegheny General Hospital, Pittsburgh, PA 84 Expression of the Tumor Suppressor 14-3-3 Sigma Protein in Renal Epithelial Neoplasms (802) B Yang, M Zhou - Cleveland Clinic Foundation, Cleveland, OH 85 EZH2 Protein Expression Correlates with High Tumor Grade in Renal Cell Carcinoma (574) AJ Ali, CE Sheehan, BVS Kallakury, N Azumi, JS Ross, A Hayner-Buchan - Albany Medical College, Albany, NY; Georgetown University Hospital, Washington, DC 86 Claudin-7 Expression in Renal Epithelial Neoplasms: A Candidate Immunohistochemical Marker for Chromophobe Renal Cell Carcinoma Identified by Gene Expression Profiling (673) CD Hornsby, Q Yin-Goen, C Cohen, D Lawson, AN Young, MB Amin - Emory University School of Medicine, Atlanta, GA; Atlanta VA Medical Center, Atlanta, GA 87 Expression of Vitamin D7 Receptor (VDR) in Primary Kidney Tumors (709) W Liu, M Tretiakova, Y Li, T Krausz - The University of Chicago Hospitals, Chicago, IL 88 Prognostic Indicators for Renal Cell Carcinoma; a Multivariant Analysis of Histologic Grade, Ki-67, p53 and Ploidy Status of 130 Patients (650) X Gao, B Kramer, J Holzbeierlein, OW Tawfik - Kansas University Medical Center, Kansas, KS 89 Expression of MAP Kinase and Akt in Clear Renal Cell Carcinoma (RCC), Including Sarcomatoid RCC (766) P Tamboli, P Mathew, BN Bekele, VG Prieto - The University of Texas M. D. Anderson Cancer Center, Houston, TX 90 Transforming Growth Factor-ß Receptor Expression in Clear Cell Renal Cell Carcinoma (767) P Tamboli, JA Copland, CG Wood - The University of Texas M. D. Anderson Cancer Center, Houston, TX; Mayo Clinic, Jacksonville, FL 91 Insulin-Like Growth Factor Binding Protein 3 Is a Marker of Clear Cell Renal Cell Carcinoma (730) KT Patton, V Papavero, BT Teh, RC Baxter, XJ Yang - Northwestern University, Feinberg School of Medicine, Chicago, IL; Van Andel Research Institute, Grand Rapids, MI; Royal North Shore Hospital, St. Leonards, NSW, Australia 92 Lack of Association between Epidermal Growth Factor Receptor Overexpression and Disease Recurrence in Clear Cell Renal Cell Carcinoma (811) M Zhou, J Finke, R Bukowski, R Tubbs - The Cleveland Clinic Foundation, Cleveland, OH; The Cleveland Clinic Foundation, Cleveland, OH; The Cleveland Clinic Foundation, Cleveland, OH