POSTER SESSION V Wednesday, March 2, 2005   —  9:30 AM - 12:00 Noon Convention Center, Exhibit Hall B BREAST PATHOLOGY 1 Assessment of Variability in Diagnosing 'Atypia' in Columnar Cell Lesions (CCL) of the Breast (188) SK Mohsin, S Badve, S Bose, CE Kleer, SE Pinder, F O''Malley - Baylor College of Medicine, Houston, TX; Indiana University, Indianapolis, IN; University of California, Los Angeles, CA; University of Michigan, Ann Arbor, MI; Addenbrooke's NHS Trust, Cambridge, United Kingdom; Mt. Sinai Hospital, Toronto, ON 2 Flat Epithelial Atypia in Breast Needle Core Biopsies: A Correlative Followup Study (100) H Bai, CJ Sung, Q Wu, JT Machan, MR Quddus, WD Lawrence, MM Steinhoff - Women and Infants Hospital, Brown Medical School, Providence, RI 3 Columnar Cell Lesions and Flat Epithelial Atypia: Incidence and Significance in a Mammographically Screened Population (176) M Lubelsky, AL Bane, V Shin, S Kulkarni, FP O'Malley - Mount Sinai Hospital, Canada; Marvelle Koffler Breast Care Centre, University of Toronto, Toronto, ON, Canada 4 Benign Papillary Lesions Can Be Accurately Classified in Breast Needle Core Biopsies (218) VI Shah, AG Douglas-Jones, R Majid, N Dallimore - Singleton Hospital, Swansea, Wales, United Kingdom; University Hospital of Wales, Cardiff, Wales, United Kingdom; Royal Gwent Hospital, Newport, Wales, United Kingdom; Llandough Hospital, Penarth, Wales, United Kingdom 5 Intraductal Papillomas without Atypia on Breast Core Needle Biopsy (CNB): Surgical Excision Is Advisable (156) W Jacobs, DG Guinee, J Holden, B Hashimoto, D Wechter - Virginia Mason Med Ctr, Seattle, WA; Univ. of Utah, Salt Lake City, UT 6 Use of Immunohistochemistry Reduces Interobserver Variation in Classification of Papillary Breast Lesions on Core Biopsy (217) VI Shah, AG Douglas-Jones, M Rashid, JM Morgan, N Dallimore - Singleton Hospital, Swansea, Wales, United Kingdom; University Hospital of Wales, Cardiff, Wales, United Kingdom; Royal Gwent Hospital, Newport, Wales, United Kingdom; Llandough Hospital, Penarth, Wales, United Kingdom 7 Pleomorphic Lobular Neoplasia (PLN): Histologic and Phenotypic Findings from Needle Core Biopsies (NCB) and Their Subsequent Surgical Excisions Are in Favour of a Pre-Invasive Entity (107) F Bibeau, P Michenet, M-C Chateau, C Borrelly, R Lavaill, B Masson - CRLC Val d'Aurelle, Montpellier, Herault, France; Hopital de la Source, Orleans, Loiret, France 8 Postive Predictive Value of Diagnosis of Atypia in Breast Core Needle Biopsies (134) C Ersahin, S Gabram, K Yao, P Rajan - Loyola University, Maywood, IL; Loyola University, Maywood, IL 9 The Quantitative Significance of Lobular Neoplasia and Atypical Ductal Hyperplasia in Breast Needle-Core Biopsy (122) BZ Clark, Y Lin, DJ Dabbs - University of Pittsburgh, Pittsburgh, PA; University of Pittsburgh, Pittsburgh, PA 10 Electrosurgical En Bloc® Stereotactic/Percutaneous Breast Biopsy, an Accurate Effective Method of Diagnosis (211) LW Rogers, SG Ries, A Sie - Long Beach Memorial Breast Center & Todd Cancer Center, Long Beach, CA 11 Core Biopsy Specimens with and without Calcifications: Should They Be Submitted Separately? (96) TM Alasio, K Skinner, A Simsir, J Cangiarella - New York University, New York, NY; New York University, New York, NY 12 Benefits and Pitfalls of Tumor Size and/or Volume Determination on Core Needle Biopsy in Invasive Breast Cancer: A Year of Experience from a Community Hospital (169) JF Lara, RG Abellar, NV Singh - Saint Barnabas Medical Center, Livingston, NJ 13 Eleven-Gauge Stereotactic Mammotome Needle Core Biopsy: A Novel Approach to Management of Radial Scars (133) M Edelweiss, V Selinko, WT Yang, E Resetkova - UT M. D. Anderson Cancer Center, Houston, TX 14 Do the Results of Breast Biomarker Studies Differ bewteen Core Biopsy and Surgical Excison Specimens? (113) C Burge, S Apple - UCLA Medical Center, Los Angeles, CA 15 Focal Loss of Claudin 7 Expression in Florid Hyperplasia without Atypia (216) ME Sanders, PS Wirth, DL Page, WD Dupont, JF Simpson - Vanderbilt University Medical Center, Nashville, TN 16 Role of DMBT1 (the Gene Delated in Malignant Brain Tumor 1) in Atypical Epithelial Proliferatons, In-Situ and Infiltrating Breast Carcinomas (209) RStJ Ricketts, S Marconi, E Dickinson, J Jerry, J Mollenhauer, AM Poustka, CN Otis, QJ Cao - Baystate Medical Center/Tufts University School of Medicine, Springfield, MA; University of Massachusetts, Amherst, MA; German Cancer Research Center, Heildelberg, Germany 17 A Subset of Normal and Hyperplastic Appearing Human Breast Cell Clusters Exhibits Similar Immunohistochemical and Cytological Alterations to Carcinoma Cells (250) C Zhao, R Barner, T Vinh, C Walker, YG Man - Armed Forces Institute of Pathology, Washington, DC 18 Stromal Cells of Some Pre-Invasive Breast Lesions Exhibit Biological Attributes of Stromal Cells Associated with Breast Cancers (163) S Kraeft, L Collins, J Sneddon, P Brown, M van de Rijn, S Schnitt - Beth Israel Deaconess Med Ctr, Boston, MA; Stanford University, Stanford, CA 19 Potential Role for Tissue Microarrays for the Study of Biomarker Expression in Benign Breast Disease and Normal Breast Tissue (124) LC Collins, MA Rubin, SJ Schnitt - Beth Israel Deaconess Medical Center; Brigham and Women's Hospital, Boston, MA 20 Detection of Chromosomal Instability Detected by Fluorescence In Situ Hybridization (FISH) in Breast Fine Needle Aspiration of Women at Risk for Breast Cancer (222) N Sneige, B Liu, BK Arun - U.T. M. D. Anderson Cancer Center, Houston, TX 21 Cyclin E1 and Survivin mRNA Levels Compared in Normal Breast, Hyperplasia and DCIS from Archival Tissue (205) V Rausei, RC Chan, WS Nichols, S Bose - Cedars-Sinai Medical Center, Los Angeles, CA 22 Apocrine Metaplasia and the Development of ER-Negative Breast Cancer (171) S Lee, SK Mohsin, H Weiss, D Medina, DC Allred - Baylor College of Medicine, Houston, TX 23 Relationship between DCIS Grade to Phenotypic Cytokeratin Markers (227) P Tang, Xi Wang, L Schiffhauer, P Bourne, Yi Yang, A Quinn - University of Rochester Medical Center, Rochester, NY 24 Expression of Selenium-Binding Protein Is Decreased in Breast Ductal Carcinoma In-Situ and Infiltrating Ductal Carcinoma (248) C Zhang, P Zhang, CJ Sung, F Liu, MR Quddus, WD Lawrence, MM Steinhoff - Women and Infants Hospital, Brown Medical School, Providence, RI 25 SMMHC-p63 Cocktail Improves Detection of Myoepithelial Layer in High-Grade Ductal Carcinoma In-Situ (239) P Wen, WL Marsh - Ohio State University Medical Center, Columbus, OH 26 Distinction of Ductal Carcinoma In Situ from Invasive Mammary Carcinoma by MALDI-MS (215) ME Sanders, BJ Xu, B Shakhtour, RM Caprioli, RA Jensen, BK McLaren, DL Page, CL Arteaga, Y Shyr - Vanderbilt University Medical Center, Nashville, TN 27 Telomere Length Changes in DCIS and Recurrent Disease (201) ML Policarpio-Nicolas, EL Wiley, S Kulkarni, V Papavero, SA Khan, LK Diaz - Northwestern University, Chicago, IL 28 Role of CRxA-01 and Mammaglobin Expression in the Differential Diagnosis of Paget's Disease of the Nipple Versus Extra Mammary Paget's Disease (119) V Chhiber, B Xu, M Retter, S Bardova, KL Rock, A Khan - UMass Memorial Medical Center, Worcester, MA; Corixa Corp., Seatle, WA