POSTER SESSION I Monday, March 08, 2004   —  9:30 AM - 12:00 Noon Exhibit Hall B and C BREAST PATHOLOGY 10 Can p63 Immunostain Help Improve Accuracy of the Diagnosis of Papillary Lesions on Core Needle Biopsy of the Breast? (76) TZ Al, WA Berg, J Smith, OB Ioffe - University of Maryland, Baltimore, MD 11 Activation of Multiple Signaling Pathways in Breast Cancer Analysed Using Tissue Microarrays and Activation-Specific Antibodies (81) M Barry, B Smith, A Richardson - Brigham & Women's Hospital, Boston, MA; Cell Signaling Technology Inc, Beverly, MA 12 EMSY Amplification Identifies a Subset of Node Negative Breast Cancers Associated with a Poor Prognosis (88) L Brown, M Cheang, T Nielson, B Gilks, J Ragaz, S Chia, L Hughes-Davies, C Caldas, D Huntsman - University of British Columbia, Vancouver, BC, Canada; British Columbia Cancer Agency, Vancouver, BC, Canada; University of Cambridge, Cambridge, United Kingdom 13 Is the Diagnosis of Tubular Carcinoma in Breast Needle Core Biopsies Reliable? (93) R Chiu, H Rutledge, J Davis, M Cibull, H Harlamert, L Atkins, Y Brill, L Samayoa - University of Kentucky, Lexington, KY; St Joseph Hospital, Lexington, KY; Lexington Women's Diagnostic Center, Lexington, KY 14 HER-2 FISH of Needle Biopsies with Invasive Breast Carcinoma Compared to Follow-Up Mastectomy Specimens (96) BD Clark, LX Mulder, CT Garrett, A Ferreira-Gonzalez, S Nasim - VCU Health Systems/MCV Hospitals, Richmond, VA 15 Metaplastic Sarcomatoid Carcinoma of the Breast with Absent or Minimal Epithelial Component (103) WG Davis, G Babiera, N Sneige, MZ Gilcrease - M. D. Anderson Cancer Center, Houston, TX 16 The Influence of Polysomy 17 (CEP17+) on HER2 Protein Expression in Carcinoma of the Breast (108) E Downs-Kelly, M Stoler, R Tubbs, M Skacel, T Grogan, D Hicks - Cleveland Clinic Foundation, Cleveland, OH; Ventana Medical Systems, Tucson, AZ; University of Virginia, Charlottesville, VA 17 Epidermal Growth Factor Receptor (HER1) Is Associated with Basal-Like Breast Cancers (130) FD Hsu, M Cheang, K Jensen, M van de Rijn, G Karaca, C Livasy, CM Perou, TO Nielsen - University of BC, Vancouver, Canada; Stanford University, Stanford, CA; University of North Carolina, Chapel Hill 18 Immunohistochemical Evaluation of EGF Receptor Expression: Quantitative Scoring System Correlates with Known EGF Receptor Levels in Human Cancer Cell Lines (161) BK McLaren, P Wirth, T Dugger, CL Arteaga, JF Simpson - Vanderbilt University Medical Center, Nashville, TN 19 Axillary Lymph Node Dissection after Positive Sentinel Lymph Node Biopsy for Metastatic Breast Carcinoma (168) AL Namiq, F Fan, PA Thomas, OW Tawfik - University of Kansas Medical Center, Kansas City, KS 20 A Morphologic Survey of Columnar Cell Lesions in Breast Resection Specimens: Relationships to Atypia and Carcinoma? (174) Y Peng, M Fudge-Fannon, G Carter, D Landsittel, DJ Dabbs - Magee-Womens Hospital of UPMC, Pittsburgh, PA; University of Pittsburgh Cancer Institute, Pittsburgh, PA 21 Overexpression of Fatty Acid Desaturase 2 (FADS2) in Human Breast Carcinoma (184) F Ricci, C Iacobuzio-Donahue, P Arganim - Johns Hopkins Hospital, Baltimore, MD 22 Relationships between HER-2/neu Expression and Downstream Regulation of Protein Tyrosine Kinases in Breast Carcinoma (186) RSJ Ricketts, R Gupta, S Marconi, G Hosetter, CN Otis - Baystate Medical Center (Western Campus of Tufts University School of Medicine), Springfield, MA; Translational Genomics Research Institute (TGen), Phoenix, AZ 23 Is Evidence of Breast Micrometastasis at Intraoperative Consultation of Sentinel Lymph Nodes an Indication for Immediate Axillary Lymph Node Dissection? (188) H Rutledge, R Chiu, J Davis, ML Cibull, YM Brill, LM Samayoa - University of Kentucky, Lexington, KY 24 The Role of IGFBP2 and IGFBP5 Overexpression in Metastasis of T1 Breast Carcinomas (208) H Wang, H Wang, LP Middleton, GN Fuller, W Zhang, B Arun, A Sahin - UT M.D. Anderson Cancer Center, Houston, TX 25 Amount of Tumor Present in Core Needle Biopsy (CNB) Samples: A Significant Predictor of Margin Status in Subsequent Breast- Conserving Surgery (BCS) Specimens in Patients with Ductal Carcinoma In Situ (DCIScis) (216) H Zhang, J Zhai, A Chagpar, N Mirza, HM Kuerer, LP Middleton, GJ Whitman, TA Buchholz, KK Hunt, A Sahin - UT M. D. Anderson Cancer Center, Houston, TX