POSTER SESSION VI Wednesday, March 26, 2003   —  1:00 - 4:00 PM Exhibit Hall A - C BREAST PATHOLOGY 1 Mammary Duct Foam Cells: Worth a Further Look? (180) Y Peng, RL Kessinger, DJ Dabbs Magee-Womens Hospital of UPMCHS, Pittsburgh, PA 2 Apoptosis by Morphology in Normal Breast Tissue. A Gold Standard? (188) R Ramakrishnan, S Rahmanuddin, JS Ulphani, S Rao, KK Khurana, SA Khan Northwestern Univ. Medical School, Chicago, IL; Upstate Medical University, Syracuse, NY 3 Characterization of Cells in Breast Lobules Undergoing Apoptosis and Proliferation with Menstrual Cycle (86) R Arora, S Badve Indiana University School of Medicine, Indianapolis, IN 4 Declining Expression of Estrogen Receptor-$ Defines Mammary Carcinogenesis (197) AM Shabaan, PA O'Neill, CS Foster University of Liverpool, United Kingdom; Clatterbridge Centre for Oncology, Merseyside, United Kingdom 5 Molecular Profile of Lobular Carcinoma In Situ(LCIS) Indicates Its Precancerous Nature (92) V Bhasin, J Vohra, S Bose Cedars-Sinai Medical Centre, Los Angeles, CA; University of California, Los Angeles, Los Angeles, CA 6 In Situ Telomere Length Assessment in Benign Breast Tissue and Carcinomas (84) P Argani, AM DeMarzo, JL Hicks, E Gabrielson, AL Meeker The Johns Hopkins Hospital, Baltimore, MD 7 Development and Progression of Mammary Ductal Tumors Appear To Be Mediated by Surrounding Myoepithelial Cells (165) YG Man, RS Vang, JS Saenger, BL Strauss, R Barner, DT Wheeler, CY Liang, GL Bratthauer, C Mannion Armed Forces Institute of Pathology and American Registry of Pathology, Washington, DC; Hackensack University Medical Center, Hackensack, NJ 8 Cell-Specific Dysregulation of Annexin I Expression in Breast Cancer (79) C Albarracin, B Arun, A Sahin M.D. Anderson Cancer Center, Houston, TX 9 Comparison of Rate Limiting Factors in the Transformation of Atypical Ductal Hyperplasia and Ductal Carcinoma In Situ of the Breast Using Immunohistochemistry and Fluorescence In Situ Hybridization (214) EA Turbat-Herrera, ML Nordberg, A deBenedetti, OT Lampejo LSU Health Sciences Center, Shreveport, LA; Feist-Weiller Cancer Center, Shreveport, LA; Overton Brooks VA Medical Center, Shreveport, LA 10 A Comparison of ER, PR, p53, and Cerb2 Tumor Markers between In Situ and Invasive Carcinoma of the Breast (200) EC Shearon, EL Wiley Northwestern Memorial Hospital, Chicago, IL 11 Mitochondrial Mutations in the Development of Breast Cancer (85) NCR Arneson, SJ Done University Health Network; University of Toronto, Toronto, ON, Canada 12 The Wilms Tumor Gene Product (WT1) Is Not Expressed in Human Breast Epithelium or Breast Cancer (125) AM Gown, H Yaziji, GK Ellis, RB Livingston PhenoPath Laboratories and IRIS, Seattle, WA; University of Washington, Seattle, WA 13 Radial Scar and Carcinoma of the Breast (166) E Manfrin, D Reghellin, A Remo, F Canal, F Bonetti Verona University, Verona, Italy 14 p63 vs Other Putative Myoepithelial Immunohistochemical (IHC) Markers in the Diagnosis of Pseudoinvasive Epithelial Lesions and Invasive Tubular Carcinoma (TC) in Small Breast Biopsies (83) M Andres, M Amin, R Malhotra, J Wilson, S Soundarajan, A Prasad University of Arizona Health Sciences Center, Tucson, AZ 15 Use of Myoepithelial Marker p63 in Breast Pathology (191) M Rivera, X Chen, SA Hoda NYPH-Weill Cornell Medical Center, New York, NY 16 Tubulolobular Carcinoma of the Breast: A Histologic and Immunohistochemical Analysis (217) DT Wheeler, LH Tai, FA Tavassoli Armed Forces Institute of Pathology, Washington, DC; Potomac Hospital, Woodbridge, VA 17 Invasive Lobular Carcinoma: To Grade or Not To Grade (89) AL Bane, R Parkes, S Tjan, FP O'Malley Samuel Lunenfeld Research Institute; Mount Sinai Hospital, Toronto, ON, Canada 18 Expression of CK7 and CK20 Staining in Mucinous Breast Carcinoma (127) LA Greene, M Kida, BJ Beatty, L Simmons-Arnold, K Cooper Fletcher Allen Health Care, Burlington, VT 19 Analysis of Keratin Subtypes and Prognostic Markers in Invasive Ductal Carcinoma (IDC) of Breast with Micropapillary Carcinoma Component (MC) (150) MJ Kim, G Gong, JM Park, S-H Ahn, HJ Joo, JY Ro Asan Medical Center, Seoul, Korea; Ajou Medical Center, Suwon, Korea 20 STAT-5a Expression in Breast Is Maintained in Secretory Carcinoma in Contrast to Other Histologic Types (206) BL Strauss, GL Bratthauer, FA Tavassoli Armed Forces Institute of Pathology, Washington, DC