POSTER SESSION IV Tuesday, March 9, 2004   —  1:00 - 4:30 PM Exhibit Hall B and C BREAST PATHOLOGY 1 Tissue Microarray Analysis of Phosphorylated (Activated) Erb-B2 Staining Patterns Using Antibody to Phospho-HER2/Erb-B2 (Tyr 1248) with HER-2/neu Correlation in 169 Invasive Poorly-Differentiated Breast Carcinomas (121) A Gopalan, SA Hoda, SJ Shin - Weill Medical College of Cornell University, New York, NY 2 Immunohistochemical (IHC) Expression of Phosphorylated Proteins (PP) in Breast Cancer Is Significantly Affected by Formalin Fixation (166) SK Mohsin, DC Allred - Baylor College of Medicine, Houston, TX 3 Comparison of ER, PR, HER2, and Ki-67 Quantitative Expression in Formalin Fixed, Paraffin-Embedded Breast Carcinomas by RT-PCR with Protein Expression by Immunohistochemistry (83) P Bitterman, D Watson, M Cronin, JM Mosquera, MA Cobleigh, R Baehner, S Shak, J Baker - Rush-Presbyterian-St Luke's Med Ctr, Chicago, IL; UCSF, San Francisco, CA; Genomic Health, Inc., Redwood City, CA 4 ER Antibody Clone1D5 Immunoreactivity Is Significantly Related to Antibody Incubation Time and Detection System: The Importance of Considering Ab Affinity During Procedure Optimization (202) M Tehrani, S Forbes, NS Goldstein - William Beaumont Hospital, Royal Oak, MI 5 Assessment of Two Automated Systems of Imaging Technology in Evaluation of Estrogen Receptor Status in Invasive Carcinoma of Breast (118) S Gokhale, N Sneige, LK Diaz, D Rosen, E Resetkova, A Sahin, CT Albarracin - University of Texas M. D. Anderson Cancer Center, Houston, TX; Northwestern University Hospital, Chicago, IL 6 Quantitative Comparison of ER Staining Using the Allred Scoring System and the 10% Standard Practice Percentage: Is >1% Staining in the Allred System Really >1% Nuclear Staining (126) F Hasteh, NS Goldstein - William Beaumont Hospital, Royal Oal, MI 7 Expression of the PI Subunit of g-Aminobutyric Acid Type A Receptor (GABAP) Is Increased in Breast Cancers with Combined Estrogen Receptor (ER) Negative and Her-2/neu Negative Phenotype (197) WF Symmans, DJ Fiterman, L Pusztai, J Stec, E Clark, V Dunmire, N Sneige, C Albarracin, R Rajan, G Linette, JS Ross, W Zhang, GN Hortobagyi, M Ayers - UT M.D. Anderson Cancer Center, Houston, TX; Millennium Pharmaceuticals, Cambridge, MA; Albany Medical College, Albany, NY 8 Co-Expression of ER-alpha and ER-beta and Over-Expression of ER-beta in Recurrent and Metastatic Breast Cancer (94) YJ Choi - Yale University School of Medicine, New Haven, CT 9 Association of Combined Hormomal Replacement Therapy (CHRT) and Invasive Lobular Carcinoma in Texas: A Pathology Perspective (84) J Blankenship, I Yeh, E Lavrovskaya, J Jagirdar - University of Texas Health Science Center at San Antonio, San Antonio, TX 10 Expression of WT-1, CA-125 and GCDFP as Useful Markers for Metastatic Breast Cancer to the Ovary (92) SC Chen, LK Tan, R Soslow, M Akram, A Hummer, N Abu-Rustum, C Tornos - Memorial Sloan-Kettering Cancer Center, New York, NY 11 Loss of N-Cadherin Expression in Breast Carcinomas Contributes to the Identification of Tissue of Origin in Cases of Unknown Primary (134) S Islam, MH Saboorian, F Ansari, R Ashfaq - University of Texas Southwestern Medical Center, Dallas, TX 12 Collagenous Spherulosis of the Breast: Morphologic Study of 36 Cases (182) E Resetkova, C Albarracin, N Sneige - The University of Texas M. D. Anderson Cancer Center, Houston, TX 13 Columnar Cell Changes in Breast: When Are They Atypical? An Immunohistochemical Study of Cytokeratin 5/6 (CK5/6), and Hormone Receptor Expression (180) U Raju, A Ormsby, C Ma, RJ Zarbo - Henry Ford Hospital, Detroit, MI 14 Constitutive Expression of Metallothionein mRNA, but Not Protein, in Breast Epithelium and the Effect of Cd+2Exposure (193) MA Sens, V Gurel, S Somji, SH Garrett, DA Sens - University of North Dakota, Grand Forks, ND 15 Survivin Expression Increases from Normal Breast to Carcinoma In Situ to Invasive Breast Carcinoma (107) NM Diaz, T Gritsko, S Minton, CE Cox, S Livingston, AB Cantor, WS Dalton, R Jove, CA Muro-Cacho - H Lee Moffitt Cancer Center and Research Institute, Tampa, FL 16 Phospho-Stat3 Expression Increases from Normal Breast to Carcinoma In Situ to Invasive Breast Carcinoma (106) NM Diaz, S Minton, CE Cox, S Livingston, AB Cantor, WS Dalton, R Jove, CA Muro-Cacho - H Lee Moffitt Cancer Center and Research Institute, Tampa, FL 17 Receptor for Vascular Endothelial Growth Factor is Down-Regulated in Breast Cancer (137) N Kidwai, M Swartz, S Badve - Northwestern University, Chicago, IL; Northwestern University, Evanston, IL; Indiana University, Indianapolis, IN 18 Activation of Focal Adhesion Kinase (FAK) and c-Src Is Involved in Malignant Transformation of Breast Epithelium (194) MB Smolkin, MH Oktay - Montefiore Medical Center, Bronx, NY 19 The MUC1/ICAM-1 Signal: Its Potential To Trigger Tumor Cell Migration (179) J Rahn, J Hugh - University of Alberta, Edmonton, AB, Canada